Fix stack content leak vulnerability in mediaserver am: 9a6861cbd3 am: 647f55d75d am: b6d08633e9 am: 7d616daf2b am: b57b64d46d
am: 9ede6cef5e

Change-Id: If4e0de93975dacfeb2bac69646a86b8a18d516a7
diff --git a/media/libmedia/IDrm.cpp b/media/libmedia/IDrm.cpp
index 7f131f4..51a1130 100644
--- a/media/libmedia/IDrm.cpp
+++ b/media/libmedia/IDrm.cpp
@@ -891,7 +891,7 @@
             readVector(data, keyId);
             readVector(data, message);
             readVector(data, signature);
-            bool match;
+            bool match = false;
             uint32_t result = verify(sessionId, keyId, message, signature, match);
             reply->writeInt32(match);
             reply->writeInt32(result);