Docs: Getting Started guide for Vulkan on Android am: a357c3f am: 0603232 am: 82c23f1
am: 9e0af78

* commit '9e0af78ee6b4be14a1d7b17dd38f2e53749c5f54':
  Docs: Getting Started guide for Vulkan on Android

Change-Id: I7c5ad257fb7560b8f41374761fe0e349aee651ca