Snap for 5702458 from 3f33f7954b05b59f340ccd6feee3be1bdd8964b4 to qt-release

Change-Id: If452edf5c6ace43c0964adbd9d58eb4d00c4a808
diff --git a/libs/sensor/SensorManager.cpp b/libs/sensor/SensorManager.cpp
index 5840d51..96d5eb9 100644
--- a/libs/sensor/SensorManager.cpp
+++ b/libs/sensor/SensorManager.cpp
@@ -94,7 +94,7 @@
 
 SensorManager::SensorManager(const String16& opPackageName)
     : mSensorList(nullptr), mOpPackageName(opPackageName), mDirectConnectionHandle(1) {
-    // okay we're not locked here, but it's not needed during construction
+    Mutex::Autolock _l(mLock);
     assertStateLocked();
 }