Expose timestats device library

This is needed to be cherry-picked into rvc-tv-dev
for device-side parsing of timestats in TVTS.

Bug: 175727771
Change-Id: I742476772c45c7602ba5b330d0874da7353500f4
Test: Add timestats-proto to an Android.mk file
Test: which is used to build the java file referencing
Test: the timestats.proto
Test: Used in whole PoC ag/13148066
Test: Confirm the parsing works.
diff --git a/services/surfaceflinger/TimeStats/timestatsproto/Android.bp b/services/surfaceflinger/TimeStats/timestatsproto/Android.bp
index fae4e94..9481cac 100644
--- a/services/surfaceflinger/TimeStats/timestatsproto/Android.bp
+++ b/services/surfaceflinger/TimeStats/timestatsproto/Android.bp
@@ -42,3 +42,16 @@
         type: "full",
     },
 }
+
+// ====  java device library for timestats proto  ===========================
+// Note timestats is deprecated and is only used for legacy tests
+java_library {
+    name: "timestats-proto",
+    srcs: [
+        "timestats.proto",
+    ],
+    proto: {
+        type: "lite",
+    },
+    sdk_version: "current",
+}