Adds a VersionInfo message to SignedMessage

[ Merge from http://go/wvgerrit/72724 ]

This adds a message that contains SDK and service version information
useful for debugging problems that occur because of different services.

BUG: 80536436

Test: Unit tests and manual GPlay testing.
Change-Id: I095f893b907ea7c2cd149155fb2cd4c7181e7bb2

libwvdrmengine/mediadrm/src_hidl/hidl_metrics_adapter.cpp

@@ -402,6 +402,16 @@ void HidlMetricsAdapter::AddSessionMetrics(
         "oemcrypto_build_info",
         proto_metrics.oemcrypto_build_info());
   }
+  if (proto_metrics.has_license_sdk_version()) {
+    group_builder.AddValue(
+        "license_sdk_version",
+        proto_metrics.license_sdk_version());
+  }
+  if (proto_metrics.has_license_service_version()) {
+    group_builder.AddValue(
+        "license_service_version",
+        proto_metrics.license_service_version());
+  }
   group_vector_.emplace_back(group_builder.Build());
 }