gn2bp: depend on :current_android_jar for JNI generation

Test: update_results.sh
Change-Id: Id08cb64c65cc2f2b2136d6e437ad8af1876da180
diff --git a/tools/gn2bp/gen_android_bp b/tools/gn2bp/gen_android_bp
index 9c0f796..db2fa13 100755
--- a/tools/gn2bp/gen_android_bp
+++ b/tools/gn2bp/gen_android_bp
@@ -924,8 +924,7 @@
     return arg
 
   def _sanitize_args(self):
-    self._update_value_arg('--jar_file', self._sanitize_filepath, False)
-    self._update_value_arg('--jar_file', self._add_location_tag, False)
+    self._set_value_arg('--jar_file', '$(location :current_android_jar)', False)
     if self._has_arg('--jar_file'):
       self._append_arg('--javap', '$$(find out/.path -name javap)')
     self._update_value_arg('--output_dir', self._sanitize_filepath)
@@ -945,6 +944,10 @@
     # android_jar.classes should be part of the tools as it list implicit classes
     # for the script to generate JNI headers.
     tool_files.add("base/android/jni_generator/android_jar.classes")
+
+    # Filter android.jar and add :current_android_jar
+    tool_files = {file if not file.endswith('android.jar') else ':current_android_jar'
+                  for file in tool_files }
     return tool_files
 
 class JniRegistrationGeneratorSanitizer(BaseActionSanitizer):