Install permission grant file with app is installed

This installs the required <privapp-permission> xml file when
the timezone updater app is installed.

Bug: 119481876
Test: make
Change-Id: Iaa4b0accc1f09d27b8c5d3e83b8a72dc078dda5d
diff --git a/Android.mk b/Android.mk
index fcbc2bd..1dcd070 100644
--- a/Android.mk
+++ b/Android.mk
@@ -32,4 +32,5 @@
 LOCAL_PRIVATE_PLATFORM_APIS := true
 LOCAL_CERTIFICATE := platform
 LOCAL_PRIVILEGED_MODULE := true
+LOCAL_REQUIRED_MODULES := com.android.timezone.updater.xml
 include $(BUILD_PACKAGE)