Allow native process to set procinfo in ResourceManager

And set the override in transcoding service to allow
ResourceManager to reclaim from it.

bug: 168307955
test: mediatranscodingservice unit tests;
ResourceManager unit tests;
CTS ResourceManagerTest; manually verify that binderDied
events are handled correctly.

Change-Id: I3193a0e29c1efbaf641e8c6b391241233d9cc404
diff --git a/media/libmediaplayerservice/tests/DrmSessionManager_test.cpp b/media/libmediaplayerservice/tests/DrmSessionManager_test.cpp
index f114046..c81a659 100644
--- a/media/libmediaplayerservice/tests/DrmSessionManager_test.cpp
+++ b/media/libmediaplayerservice/tests/DrmSessionManager_test.cpp
@@ -65,6 +65,14 @@
         return true;
     }
 
+    virtual bool overrideProcessInfo(
+            int /* pid */, int /* procState */, int /* oomScore */) {
+        return true;
+    }
+
+    virtual void removeProcessInfoOverride(int /* pid */) {
+    }
+
 private:
     DISALLOW_EVIL_CONSTRUCTORS(FakeProcessInfo);
 };