toolchain: Switch back to tracked revisions on Android
authorCody Northrop <cnorthrop@google.com>
Tue, 29 Nov 2016 18:59:00 +0000 (11:59 -0700)
committerCody Northrop <cnorthrop@google.com>
Tue, 29 Nov 2016 21:49:28 +0000 (14:49 -0700)
This allows us to recreate the entire LVL package from any point in history.
We continue to pull known good revisions from AOSP.

build-android/glslang_revision_android
build-android/shaderc_revision_android
build-android/spirv-headers_revision_android
build-android/spirv-tools_revision_android