MountService: Send UMS_CONNECTED broadcast on boot if UMS connected.
MountService: Send UMS_CONNECTED broadcast on boot if UMS connected.

UMS detection is now done wayyyy before the system is booted, so set a flag
to send our intent broadcast once we've booted.

Signed-off-by: San Mehat <b23d0c7bb708db91c8b9415ae7caad6fe333f717@google.com>

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