Merge changes Id4b68017,Ibee9b52a,I02e0292c,Ib765c9d5,I55577dae, ... into nyc-dev

* changes:
  samples:  Remove duplicate comment from ActionBarCompat-ShareActionProvider
  samples: Remove support lib v4/v13 from DirectBoot
  samples: Change support lib from v24.0.0-beta1 to v24.0.0
  samples: Add global build targets for tests
  samples: Bump minSdk for TextLinkify
  samples: Bump minSdk for TextSwitcher
  samples: Bump minSdk for CustomChoiceList
  samples: Bump minSdk for ActivityInstrumentation
  samples: Remove attrs.xml from RenderScript samples
  samples: Remove duplicate appcompat-v7 declarations
  samples: Bump minSdk for BasicNetworking
  samples: Remove BasicSyncAdapter's attrs.xml file
  samples: Add 'assembleDebug' as a task in global build.gradle