Add file-contexts for statsd apex

Bug: 139549262
Test: build, install, and verify statsd module is mounted
Change-Id: Iabfb4d5bf5c7f06ed6c3d06f2dd9ec8b382f5688
diff --git a/apex/com.android.os.statsd-file_contexts b/apex/com.android.os.statsd-file_contexts
new file mode 100644
index 0000000..7068190
--- /dev/null
+++ b/apex/com.android.os.statsd-file_contexts
@@ -0,0 +1,3 @@
+(/.*)?                u:object_r:system_file:s0
+/lib(64)?(/.*)        u:object_r:system_lib_file:s0
+