Don't allow clients to add FDs to Looper without callbacks.
Don't allow clients to add FDs to Looper without callbacks.

Bug: 10349083
Change-Id: Ia75e37bb1055559f6442f97c42ec109078e737b6

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