[Android] Do not fail the build due to lint issues.

build/android/gyp/lint.py

Index: build/android/gyp/lint.py
diff --git a/build/android/gyp/lint.py b/build/android/gyp/lint.py
index 631ceaff5374dae91b514c1e3c4c10f41a2d2b79..fb3c488e894dcd2d80041cc5b3aa81d522f22096 100755
--- a/build/android/gyp/lint.py
+++ b/build/android/gyp/lint.py
@@ -76,7 +76,7 @@ def _RunLint(lint_path, config_path, processed_config_path, manifest_path,
   _ProcessConfigFile()
 
   cmd = [
-      lint_path, '-Werror', '--exitcode', '--showall',
+      lint_path, '--nowarn', '--exitcode', '--showall',
       '--config', _RelativizePath(processed_config_path),
       '--classpath', _RelativizePath(classes_dir),
       '--xml', _RelativizePath(result_path),
@@ -110,7 +110,8 @@ def _RunLint(lint_path, config_path, processed_config_path, manifest_path,
                                            'lint', 'suppress.py')),
               _RelativizePath(result_path)))
       print >> sys.stderr, msg
-      return 1
+      # Lint errors do not fail the build.
+      return 0
 
   return 0