A recent update to the openjdk sources included arm hotspot sources.
This rfe will track the updates needed to replace the android zero build with an android-arm target platform.

Here are the key configure updates

    --openjdk-target=arm-linux-androideabi \
    --with-abi-profile=arm-vfp-sflt \
    --with-jvm-variants="minimal1,client,server" \

As part of this update we'll move the baseline toolchain up to api level 21
android 5.0.