Fixed camera flaky issue in monkey testing

- Cache RuntimeException when stop previewing camera failed

Fix: 306606307
Test: unit test
make RunSettingsLibRoboTests

Change-Id: Ia05f7c528b6e74f755ca2cf81bbfbb7bc37f4f7a

parent c2bc3752

packages/SettingsLib/src/com/android/settingslib/qrcode/QrCamera.java

+7 −2

Original line number	Diff line number	Diff line
		@@ -116,8 +116,13 @@ public class QrCamera extends Handler {
		mDecodeTask = null;
		}
		if (mCamera != null) {
		try {
		mCamera.stopPreview();
		releaseCamera();
		} catch (RuntimeException e) {
		Log.e(TAG, "Stop previewing camera failed:" + e);
		mCamera = null;
		}
		}
		}