move gti config to gs-common

Bug: 256521567
Test: build pass on all devices
Change-Id: I910bfa1aef3dbad1987d0aee8e1df226fb72e583
diff --git a/touch/gti/sepolicy/genfs_contexts b/touch/gti/sepolicy/genfs_contexts
new file mode 100644
index 0000000..9a2ce7a
--- /dev/null
+++ b/touch/gti/sepolicy/genfs_contexts
@@ -0,0 +1,2 @@
+# Touch
+genfscon sysfs /devices/virtual/goog_touch_interface                            u:object_r:sysfs_touch:s0