am a4375a19: Merge "Doc change: clean up a few stray css files. These are moved to frameworks/base/docs/image_sources/*." into jb-dev-docs

* commit 'a4375a19c6ff958d33d62ee96f6ccdde223b0c7a':
  Doc change: clean up a few stray css files. These are moved to frameworks/base/docs/image_sources/*.