Generate javadoc comments in GEN_JNI

When the generated jni methods are hashed it's difficult
to debug jni headers. This change adds javadoc comments
to the generated jni methods with type information.

e.g.
class GEN_JNI {
  /**
   * org.chromium.example.jni_generator.SampleForAnnotationProcessor.bar
   * @param sample (org.chromium.example.jni_generator.SampleForAnnotationProcessor)
   * @return (org.chromium.example.jni_generator.SampleForAnnotationProcessor)
   */
  public static final native Object MYz$E75A(Object sample);
}

Change-Id: Ia0ffa2f36de9f20aae8841c1e25e9d02517f861f
Bug: 898261
Reviewed-on: https://chromium-review.googlesource.com/c/1296989
Commit-Queue: agrieve <agrieve@chromium.org>
Reviewed-by: agrieve <agrieve@chromium.org>
Reviewed-by: Eric Stevenson <estevenson@chromium.org>
Cr-Commit-Position: refs/heads/master@{#602069}
1 file changed