Move java_features.proto to java/core/srce/main/resources

This also fixes maven to package this correctly as google/protobuf/java_features.proto (same dir as WKT/descriptor.proto) instead of com/google/protobuf/java_features.proto.

Fixes https://github.com/protocolbuffers/protobuf/issues/16155

PiperOrigin-RevId: 617307475

java/core/BUILD.bazel

@@ -168,15 +168,15 @@ protobuf_java_library(
 
 proto_library(
     name = "java_features_proto",
-    srcs = ["src/main/java/com/google/protobuf/java_features.proto"],
-    strip_import_prefix = "/java/core/src/main/java/com",
+    srcs = ["src/main/resources/google/protobuf/java_features.proto"],
+    strip_import_prefix = "/java/core/src/main/resources",
     visibility = ["//pkg:__pkg__"],
     deps = ["//:descriptor_proto"],
 )
 
 filegroup(
     name = "java_features_proto_srcs",
-    srcs = ["src/main/java/com/google/protobuf/java_features.proto"],
+    srcs = ["src/main/resources/google/protobuf/java_features.proto"],
     visibility = ["//pkg:__pkg__"],
 )
 
@@ -552,7 +552,7 @@ pkg_files(
     name = "dist_files",
     srcs = glob([
         "src/main/java/com/google/protobuf/*.java",
-        "src/main/java/com/google/protobuf/*.proto",
+        "src/main/resources/google/protobuf/*.proto",
         "src/test/java/**/*.java",
         "src/test/proto/**/*.proto",
     ]) + [

java/core/generate-sources-build.xml

@@ -5,7 +5,7 @@
         <arg value="--java_out=${generated.sources.dir}"/>
         <arg value="--proto_path=${protobuf.source.dir}"/>
         <arg value="--proto_path=${protobuf.java_source.dir}"/>
-        <arg value="${protobuf.java_source.dir}/main/java/com/google/protobuf/java_features.proto"/>
+        <arg value="${protobuf.java_source.dir}/google/protobuf/java_features.proto"/>
         <arg value="${protobuf.source.dir}/google/protobuf/any.proto"/>
         <arg value="${protobuf.source.dir}/google/protobuf/api.proto"/>
         <arg value="${protobuf.source.dir}/google/protobuf/descriptor.proto"/>

java/core/pom.xml

@@ -62,7 +62,7 @@
       <resource>
         <directory>${protobuf.java_source.dir}</directory>
         <includes>
-          <include>main/java/com/google/protobuf/java_features.proto</include>
+          <include>google/protobuf/java_features.proto</include>
         </includes>
       </resource>
     </resources>

java/pom.xml

@@ -33,7 +33,7 @@
     <!-- These are relative to the submodules -->
     <protobuf.basedir>${project.basedir}/../..</protobuf.basedir>
     <protobuf.source.dir>${protobuf.basedir}/src</protobuf.source.dir>
-    <protobuf.java_source.dir>${protobuf.basedir}/java/core/src</protobuf.java_source.dir>
+    <protobuf.java_source.dir>${protobuf.basedir}/java/core/src/main/resources</protobuf.java_source.dir>
     <protoc>${protobuf.basedir}/protoc</protoc>
     <test.proto.dir>src/test/proto</test.proto.dir>
     <generated.sources.dir>${project.build.directory}/generated-sources</generated.sources.dir>

src/google/protobuf/editions/golden/editions_transform_proto2.proto

@@ -14,7 +14,7 @@ edition = "2023";
 
 package protobuf_editions_test;
 
-import "third_party/java_src/protobuf/current/java/com/google/protobuf/java_features.proto";
+import "google/protobuf/java_features.proto";
 import "google/protobuf/cpp_features.proto";
 import "google/protobuf/editions/proto/editions_transform_proto3.proto";