Use omni's repo for:

* libcore
* art
* bionic
* dalvik
* hardware_qcom_audio-caf
* hardware_qcom_audio
* external_clang
* frameworks_native
* system_core
* bluetooth_bluedroid
* qcom_display
Use Cryos' repo for platform_prebuilts_gcc_linux-x86_arm_arm-linux-androideabi-4.7