Update java_tools version to 12.6 (#19091)

diff --git a/distdir_deps.bzl b/distdir_deps.bzl
index ac773f6..b896f1b 100644
--- a/distdir_deps.bzl
+++ b/distdir_deps.bzl
@@ -382,80 +382,80 @@
             "remote_java_tools_test",
             "remote_java_tools_for_testing",
         ],
-        "archive": "java_tools-v12.5.zip",
-        "sha256": "942b3d88ebd785a5face38049077a1f8dab5a3500f5ebd0c0df090244acc4e16",
+        "archive": "java_tools-v12.6.zip",
+        "sha256": "f58a358ca694a41416a9b6a92b852935ad301d8882e5d22f4f11134f035317d5",
         "urls": [
-            "https://mirror.bazel.build/bazel_java_tools/releases/java/v12.5/java_tools-v12.5.zip",
-            "https://github.com/bazelbuild/java_tools/releases/download/java_v12.5/java_tools-v12.5.zip",
+            "https://mirror.bazel.build/bazel_java_tools/releases/java/v12.6/java_tools-v12.6.zip",
+            "https://github.com/bazelbuild/java_tools/releases/download/java_v12.6/java_tools-v12.6.zip",
         ],
         "used_in": [
             "test_WORKSPACE_files",
         ],
-        "package_version": "12.5",
+        "package_version": "12.6",
     },
     "remote_java_tools_linux": {
         "aliases": [
             "remote_java_tools_test_linux",
             "remote_java_tools_linux_for_testing",
         ],
-        "archive": "java_tools_linux-v12.5.zip",
-        "sha256": "45dda5441b46385e8ec95d3bc4a04b9337a6ff837bb41bdaa6247d8d36edceae",
+        "archive": "java_tools_linux-v12.6.zip",
+        "sha256": "64294e91fe940c77e6d35818b4c3a1f07d78e33add01e330188d907032687066",
         "urls": [
-            "https://mirror.bazel.build/bazel_java_tools/releases/java/v12.5/java_tools_linux-v12.5.zip",
-            "https://github.com/bazelbuild/java_tools/releases/download/java_v12.5/java_tools_linux-v12.5.zip",
+            "https://mirror.bazel.build/bazel_java_tools/releases/java/v12.6/java_tools_linux-v12.6.zip",
+            "https://github.com/bazelbuild/java_tools/releases/download/java_v12.6/java_tools_linux-v12.6.zip",
         ],
         "used_in": [
             "test_WORKSPACE_files",
         ],
-        "package_version": "12.5",
+        "package_version": "12.6",
     },
     "remote_java_tools_windows": {
         "aliases": [
             "remote_java_tools_test_windows",
             "remote_java_tools_windows_for_testing",
         ],
-        "archive": "java_tools_windows-v12.5.zip",
-        "sha256": "0b319cf762e256133f8d0f5f99fd7d35ca4cf00f35e7c0e8aea1b9fcd9cf4fb0",
+        "archive": "java_tools_windows-v12.6.zip",
+        "sha256": "63f727d44011b8c504bb4e6d89c2cd982278efb34dae8629687e9483d8f7d62d",
         "urls": [
-            "https://mirror.bazel.build/bazel_java_tools/releases/java/v12.5/java_tools_windows-v12.5.zip",
-            "https://github.com/bazelbuild/java_tools/releases/download/java_v12.5/java_tools_windows-v12.5.zip",
+            "https://mirror.bazel.build/bazel_java_tools/releases/java/v12.6/java_tools_windows-v12.6.zip",
+            "https://github.com/bazelbuild/java_tools/releases/download/java_v12.6/java_tools_windows-v12.6.zip",
         ],
         "used_in": [
             "test_WORKSPACE_files",
         ],
-        "package_version": "12.5",
+        "package_version": "12.6",
     },
     "remote_java_tools_darwin_x86_64": {
         "aliases": [
             "remote_java_tools_test_darwin_x86_64",
             "remote_java_tools_darwin_x86_64_for_testing",
         ],
-        "archive": "java_tools_darwin_x86_64-v12.5.zip",
-        "sha256": "7e96d0310222e9c27e4c87987978c0c59a0acb97cebdbd838ff652a13abbed77",
+        "archive": "java_tools_darwin_x86_64-v12.6.zip",
+        "sha256": "c6545e82e543cb5775d3b8909d6270b5f481864b5ff083d20bfa5dcf77ac3ef7",
         "urls": [
-            "https://mirror.bazel.build/bazel_java_tools/releases/java/v12.5/java_tools_darwin_x86_64-v12.5.zip",
-            "https://github.com/bazelbuild/java_tools/releases/download/java_v12.5/java_tools_darwin_x86_64-v12.5.zip",
+            "https://mirror.bazel.build/bazel_java_tools/releases/java/v12.6/java_tools_darwin_x86_64-v12.6.zip",
+            "https://github.com/bazelbuild/java_tools/releases/download/java_v12.6/java_tools_darwin_x86_64-v12.6.zip",
         ],
         "used_in": [
             "test_WORKSPACE_files",
         ],
-        "package_version": "12.5",
+        "package_version": "12.6",
     },
     "remote_java_tools_darwin_arm64": {
         "aliases": [
             "remote_java_tools_test_darwin_arm64",
             "remote_java_tools_darwin_arm64_for_testing",
         ],
-        "archive": "java_tools_darwin_arm64-v12.5.zip",
-        "sha256": "5fb927b24043dd79010b54be31ec5f18b38ee9dbd9fd03d8353232431a7e2392",
+        "archive": "java_tools_darwin_arm64-v12.6.zip",
+        "sha256": "c6ffcaf87965c436cc86fc0e9673dafc97c0761efae8225ad2691cf6cfe3d87a",
         "urls": [
-            "https://mirror.bazel.build/bazel_java_tools/releases/java/v12.5/java_tools_darwin_arm64-v12.5.zip",
-            "https://github.com/bazelbuild/java_tools/releases/download/java_v12.5/java_tools_darwin_arm64-v12.5.zip",
+            "https://mirror.bazel.build/bazel_java_tools/releases/java/v12.6/java_tools_darwin_arm64-v12.6.zip",
+            "https://github.com/bazelbuild/java_tools/releases/download/java_v12.6/java_tools_darwin_arm64-v12.6.zip",
         ],
         "used_in": [
             "test_WORKSPACE_files",
         ],
-        "package_version": "12.5",
+        "package_version": "12.6",
     },
     "remotejdk11_linux": {
         "aliases": [