sepolicy: Allow gmscore_app to access system_data_file

- REF: https://review.leafos.org/c/LeafOS-Project/android_frameworks_base/+/3888

Change-Id: I7f899c08971f563e51fba22456a3fb3fa3ec12cc
diff --git a/common/private/gmscore_app.te b/common/private/gmscore_app.te
new file mode 100644
index 0000000..549ad5f
--- /dev/null
+++ b/common/private/gmscore_app.te
@@ -0,0 +1 @@
+allow gmscore_app system_data_file:file r_file_perms;