Merge "[Bugfix] avoid deadLock caused by onAuthenticationPrompt()" into main

        @Override

        public void onAuthenticationPrompt(int uid) {

            synchronized (mVirtualDeviceManagerLock) {

                for (int i = 0; i < mVirtualDevices.size(); i++) {

                    VirtualDeviceImpl device = mVirtualDevices.valueAt(i);

            ArrayList<VirtualDeviceImpl> virtualDevicesSnapshot = getVirtualDevicesSnapshot();

            for (int i = 0; i < virtualDevicesSnapshot.size(); i++) {

                VirtualDeviceImpl device = virtualDevicesSnapshot.get(i);

                device.showToastWhereUidIsRunning(uid,

                        R.string.app_streaming_blocked_message_for_fingerprint_dialog,

                        Toast.LENGTH_LONG, Looper.getMainLooper());

            }

        }

        }

        @Override

        public int getBaseVirtualDisplayFlags(IVirtualDevice virtualDevice) {