Merge "DO NOT MERGE Rename Support Library to 24.0.0-alpha1 for Developer Preview Only BUG=27338582" into nyc-dev
am: 5f5099d053

* commit '5f5099d05379002a35cea2fc5588d09c1ce25ed5':
  DO NOT MERGE Rename Support Library to 24.0.0-alpha1 for Developer Preview Only BUG=27338582