Adds HAL metrics support for Media Drm

Adds support to fetch metrics from vendor and convert them to a proto
bundle returned from a call to getMetrics.

Bug: 64001676

Test: CTS test for metrics and GPlay test
Change-Id: I05634dd1bf092e64e2d0e77c4c0e243340af48e3
diff --git a/drm/libmediadrm/tests/Android.bp b/drm/libmediadrm/tests/Android.bp
index 670d3b9..66c906f 100644
--- a/drm/libmediadrm/tests/Android.bp
+++ b/drm/libmediadrm/tests/Android.bp
@@ -16,7 +16,9 @@
     srcs: ["DrmMetrics_test.cpp"],
     shared_libs: [
       "android.hardware.drm@1.0",
+      "android.hardware.drm@1.1",
       "libbinder",
+      "libhidlbase",
       "liblog",
       "libmediadrmmetrics_full",
       "libmediametrics",