LSC: Add `load()` statements for the builtin java rules

BEGIN_PUBLIC

Add `load()` statements for the builtin Bazel java rules

Loads are being added in preparation for moving the rules out of Bazel and into `rules_java`.

END_PUBLIC

PiperOrigin-RevId: 625329254
Change-Id: I7e402adb310f3a2f9abb49e7b9d8d5efafb1d963

java/BUILD

diff --git a/java/BUILD b/java/BUILD
index ecce826..f227e7e 100644
--- a/java/BUILD
+++ b/java/BUILD
@@ -58,6 +58,7 @@
 
 filegroup(
     name = "for_bazel_tests",
+    testonly = 1,
     srcs = [
         "BUILD",
         ":core_rules",

java/common/BUILD

diff --git a/java/common/BUILD b/java/common/BUILD
index 2104037..e9d0165 100644
--- a/java/common/BUILD
+++ b/java/common/BUILD
@@ -19,6 +19,7 @@
 
 filegroup(
     name = "for_bazel_tests",
+    testonly = 1,
     srcs = [
         "BUILD",
         ":common",

java/private/BUILD

diff --git a/java/private/BUILD b/java/private/BUILD
index a9ff2da..6948199 100644
--- a/java/private/BUILD
+++ b/java/private/BUILD
@@ -18,6 +18,7 @@
 
 filegroup(
     name = "for_bazel_tests",
+    testonly = 1,
     srcs = [
         "BUILD",
         ":private",