fix(android): crash from RDM

android/sdk/src/main/java/com/tencent/mtt/hippy/bridge/HippyBridgeManagerImpl.java

@@ -466,6 +466,10 @@ public class HippyBridgeManagerImpl implements HippyBridgeManager, HippyBridge.B
 	@Override
 	public void destroyBridge(Callback<Boolean> callback) {
 		assert (mHandler != null);
+		if (mHandler == null) {
+			return;
+		}
+
 		Message message = mHandler.obtainMessage(MSG_CODE_DESTROY_BRIDGE, callback);
 		mHandler.sendMessage(message);
 	}

android/sdk/src/main/java/com/tencent/mtt/hippy/utils/TimeMonitor.java

@@ -93,7 +93,6 @@ public class TimeMonitor
 		}
 
 		mTotalTime = (int) (SystemClock.elapsedRealtime() - mStartTime);
-		LogUtils.d("hippy", "hippy endEvent: " + mCurrentEvent.eventName);
 	}
 
 	public int getTotalTime()