Merge \\\"Update validation-layer.jd for NDK-R12: use packed layer binaries...
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: 9463baa9
am: f737d9da
Change-Id: Idb8f9b03b41fbee156a966ea7caca1388bda6cf2