MediaMetrics: Move package name from uid to service utilities

Allows sharing class with AudioFlinger.

Bug: 129355845
Bug: 138583596
Test: atest mediametrics_tests
Test: adb shell dumpsys media.metrics
Change-Id: I6654dc9456dcd7c93821a8d83dd75d96b658f254
diff --git a/services/mediametrics/tests/Android.bp b/services/mediametrics/tests/Android.bp
index 9eb2d89..bdeda30 100644
--- a/services/mediametrics/tests/Android.bp
+++ b/services/mediametrics/tests/Android.bp
@@ -17,6 +17,7 @@
         "liblog",
         "libmediametrics",
         "libmediametricsservice",
+        "libmediautils",
         "libutils",
     ],