Add this to your manifest
<project path="prebuilts/gcc/linux-x86/arm/arm-linux-androideabi-4.8-sm" name="UBERUTILS/arm-linux-androideabi-4.8" remote="gh" revision="master" />

In the apicheck file I just added a "#' to skip the java apicheck or something like that. It is specific to my build environment. Ignore it.

Rest the commit contains JustArchi V3 and envsetup.sh is also modified to use sabermod toolchain.