Add compatibility_matrix.current.xml for S

Bug: 152310927
Test: build only (b/150215458 for enabling this on cf)
Change-Id: Id33494d8433ba58362c592deb2598fe89127561e
(cherry picked from commit 7f431d264a993ad0eda47299a59da4eb37fc2358)
Merged-In: Id33494d8433ba58362c592deb2598fe89127561e
diff --git a/compatibility_matrices/Android.mk b/compatibility_matrices/Android.mk
index e69fc8d..96191c8 100644
--- a/compatibility_matrices/Android.mk
+++ b/compatibility_matrices/Android.mk
@@ -98,6 +98,7 @@
     framework_compatibility_matrix.3.xml \
     framework_compatibility_matrix.4.xml \
     framework_compatibility_matrix.5.xml \
+    framework_compatibility_matrix.current.xml \
     framework_compatibility_matrix.device.xml \
 
 my_framework_matrix_deps += \