am af87dadd: am a5541820: am 817a2d2b: am e2312db1: am 38ffb0cf: Bump PLATFORM_PREVIEW_SDK_VERSION to 4
am af87dadd: am a5541820: am 817a2d2b: am e2312db1: am 38ffb0cf: Bump PLATFORM_PREVIEW_SDK_VERSION to 4

* commit 'af87dadd0ca161dc8ddf5e1edc017a8847c6b85c':
  Bump PLATFORM_PREVIEW_SDK_VERSION to 4

xorware/android_build,xorware/android_build,xorware/android_build,xorware/android_build,xorware/android_build