Bazel, Android: fix Bazel CI breakage

Add a `select` so Bazel won't try to build
windows_jni.dll on Linux/MacOS.

RELNOTES: none
PiperOrigin-RevId: 163832982
diff --git a/src/tools/android/java/com/google/devtools/build/android/BUILD.tools b/src/tools/android/java/com/google/devtools/build/android/BUILD.tools
index e67a400..d94dc4b 100644
--- a/src/tools/android/java/com/google/devtools/build/android/BUILD.tools
+++ b/src/tools/android/java/com/google/devtools/build/android/BUILD.tools
@@ -11,5 +11,9 @@
     runtime_deps = [
         ":classes",
     ],
-    data = ["//src/main/native/windows:windows_jni.dll"],
+    data = select({
+        "//src:windows": ["//src/main/native/windows:windows_jni.dll"],
+        "//src:windows_msvc": ["//src/main/native/windows:windows_jni.dll"],
+        "//conditions:default": [],
+    }),
 )