Merge commit '865bd884e878bbc6d9f5832fda6971c21754b588' into kraken
* commit '865bd884e878bbc6d9f5832fda6971c21754b588':
doc change: cherry pick 75c66da209. (clarify fill_parent/match_parent transition in ViewGroup.LayoutParams and R.attr. Mention match_parent in dev guide "declaring layout" doc.)