Merge changes Ic36b01cd,I522b2062,I683275d7
am: 3a33ee20e9

* commit '3a33ee20e99646f38127c7aeca5f0616d268a5ce':
  Make gradle wrapper executable
  Cleanup unused items & lint warnings
  Mopria HP Printer Recommendation Example

Change-Id: Ie9709fc68af7342ec1647ac7c86874b96104f18f