Add sepolicy for bluetooth apex

Bug: 142747680
Test: compile, verify APEX mounts correctly
Change-Id: I3d1bd964343584b3f344d82b58019acad6de353c
diff --git a/apex/com.android.bluetooth.updatable-file_contexts b/apex/com.android.bluetooth.updatable-file_contexts
new file mode 100644
index 0000000..f6b21da
--- /dev/null
+++ b/apex/com.android.bluetooth.updatable-file_contexts
@@ -0,0 +1,2 @@
+(/.*)?                u:object_r:system_file:s0
+/lib(64)?(/.*)        u:object_r:system_lib_file:s0