b/2293263 Finished removing busyBits references.
b/2293263 Finished removing busyBits references.

Removed the rest of the busyBit functionality. Along with other changes all busyBits
uses should now be removed.

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base