Merge changes I3352e1fc,I52ac4dda,Ie9d51041,Id643a27e into nyc-mr1-dev-plus-aosp

* changes:
  Merge \"Set hintTextColor and composingSpan style for EditText and extract view\" into nyc-mr1-dev am: a884aacb
  Merge \\"Update validation-layer.jd for NDK-R12:    use packed layer binaries    punt building layers to Khronos github repo\\" into nyc-dev am: da66010c am: ab45c9df
  Merge \\"Fix QS edit view accessibility classes\\" into nyc-dev am: 08099644 am: a78fd8a3
  Merge \\"Delete simple reduction implementation.\\" into nyc-dev am: d749245b am: 9a53329b