Merge "Update docs for ColorStateList to include alpha" into nyc-dev
am: 5bcf7650b4

* commit '5bcf7650b492ca9ce5b685c5e0f535b5927af0c6':
  Update docs for ColorStateList to include alpha

Change-Id: I1dc16f964509cec422622da2ac60e5428b8203f6