tree 1cfa706c8d27ec4155a1688ce1617bc4f805fc8f
parent f427803a7d9a9ac8651aff40bd2b29881545842a
author xutianguo <xutianguo@xiaomi.com> 1506050830 +0800
committer Myles Watson <mylesgw@google.com> 1506572082 +0000

GATT: Thread-safe ClientHandler invocation

Handler could be null when do cleanup in main thread, then NPE
will happen if the ClientHandler thread is still processing
messages.

Bug: 66544093
Test: Enable Bluetooth and search Bluetooth devices, turn off the
Bluetooth and repeat above steps.

Change-Id: Ie8a0d71236bd96e31b5524bcc4690796ad34d68f
Signed-off-by: xutianguo <xutianguo@xiaomi.com>