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: ab45c9df
am: c9ccfa18
Change-Id: If57f3036082aa56527aec5529d8e3df2798bf884