Add TabletModeChangedListener for SystemUI.

Bug: 23256614
Change-Id: I6e5d636c24a84846cfad84da800911a469689dda
diff --git a/Android.mk b/Android.mk
index 18d9c69..4607276 100644
--- a/Android.mk
+++ b/Android.mk
@@ -171,6 +171,7 @@
 	core/java/android/hardware/hdmi/IHdmiVendorCommandListener.aidl \
 	core/java/android/hardware/input/IInputManager.aidl \
 	core/java/android/hardware/input/IInputDevicesChangedListener.aidl \
+	core/java/android/hardware/input/ITabletModeChangedListener.aidl \
 	core/java/android/hardware/location/IActivityRecognitionHardware.aidl \
 	core/java/android/hardware/location/IActivityRecognitionHardwareSink.aidl \
 	core/java/android/hardware/location/IActivityRecognitionHardwareWatcher.aidl \