Fix unquitable apps when debug enabled.

There is a race condition that we could read from control_sock_ after we are
asked to shutdown. Then we are stuck at pthread_join and can't exit.

Bug: 33592362

Test: manual - for detail, check bug description.

Change-Id: Ia7ece00131803a55fc040323ec19665d9b0300f9
Signed-off-by: Tao Wu <lepton@google.com>
diff --git a/runtime/base/mutex.h b/runtime/base/mutex.h
index 255ad71..2adeb8c 100644
--- a/runtime/base/mutex.h
+++ b/runtime/base/mutex.h
@@ -60,6 +60,7 @@
   kUnexpectedSignalLock,
   kThreadSuspendCountLock,
   kAbortLock,
+  kJdwpAdbStateLock,
   kJdwpSocketLock,
   kRegionSpaceRegionLock,
   kRosAllocGlobalLock,