[Android] Incorporate findbugs into android builds.

build/java_apk.gypi

Index: build/java_apk.gypi
diff --git a/build/java_apk.gypi b/build/java_apk.gypi
index c5e7ae3f110ad6ccac6b073daeee993aefc0ec3f..12d48f4b80b62d88d09e7ff7f3a4fb58c52b232b 100644
--- a/build/java_apk.gypi
+++ b/build/java_apk.gypi
@@ -103,6 +103,7 @@
     'lint_result': '<(intermediate_dir)/lint_result.xml',
     'lint_config': '<(intermediate_dir)/lint_config.xml',
     'never_lint%': 0,
+    'findbugs_stamp': '<(intermediate_dir)/findbugs.stamp',
     'java_in_dir_suffix%': '/src',
     'instr_stamp': '<(intermediate_dir)/instr.stamp',
     'jar_stamp': '<(intermediate_dir)/jar.stamp',
@@ -705,6 +706,32 @@
       'includes': [ 'android/lint_action.gypi' ],
     },
     {
+      'action_name': 'findbugs_<(_target_name)',

[jbudorick, 2015/03/13 13:12:20]

moved this into a condition like java.gypi

+      'message': 'Running findbugs on <(_target_name)',
+      'variables': {
+        'auxclasspath': [
+          '>@(input_jars_paths)',
+          '<(android_sdk_jar)',
+        ],
+      },
+      'inputs': [
+        '<(DEPTH)/build/android/findbugs_diff.py',
+        '<(DEPTH)/build/android/findbugs_filter/findbugs_exclude.xml',
+        '<(DEPTH)/build/android/pylib/utils/findbugs.py',
+        '<(jar_path)',
+        '<(compile_stamp)',
+      ],
+      'outputs': [
+        '<(findbugs_stamp)',
+      ],
+      'action': [
+        'python', '<(DEPTH)/build/android/findbugs_diff.py',
+        '--auxclasspath-gyp', '>(auxclasspath)',
+        '--stamp', '<(findbugs_stamp)',
+        '<(jar_path)',
+      ],
+    },
+    {
       'action_name': 'obfuscate_<(_target_name)',
       'message': 'Obfuscating <(_target_name)',
       'variables': {
@@ -799,6 +826,10 @@
         'output_path': '<(dex_path)',
         'proguard_enabled_input_path': '<(obfuscated_jar_path)',
       },
+      'inputs': [

[jbudorick, 2015/03/13 13:12:20]

removed this one too

+        '<(findbugs_stamp)',
+        '<(lint_stamp)',
+      ],
       'target_conditions': [
         ['emma_instrument != 0', {
           'variables': {