New repos and branches

New Repos for:
android_hardware_libhardware (forked from aospa)
android_external_chromium_org (forked from aospa)
android_system_extras (forked from aospa)

New Branches for:
android_external_skia (branch psx_light forked from velocity)
android_bionic (branch psx_light forked from aospa)