libmediaplayerservice: fix warnings, make warnings errors, use clang

Change-Id: I1b2f6b65c5abbc366068a60b8909104f31b94228
diff --git a/media/libmediaplayerservice/nuplayer/GenericSource.cpp b/media/libmediaplayerservice/nuplayer/GenericSource.cpp
index 8f1cd57..b7a88e7 100644
--- a/media/libmediaplayerservice/nuplayer/GenericSource.cpp
+++ b/media/libmediaplayerservice/nuplayer/GenericSource.cpp
@@ -703,7 +703,7 @@
             stopBufferingIfNecessary();
         }
     } else if (cachedDataRemaining >= 0) {
-        ALOGV("onPollBuffering: cachedDataRemaining %d bytes",
+        ALOGV("onPollBuffering: cachedDataRemaining %zd bytes",
                 cachedDataRemaining);
 
         if (cachedDataRemaining < kLowWaterMarkBytes) {
@@ -790,7 +790,7 @@
           }
           readBuffer(trackType, timeUs, &actualTimeUs, formatChange);
           readBuffer(counterpartType, -1, NULL, formatChange);
-          ALOGV("timeUs %lld actualTimeUs %lld", timeUs, actualTimeUs);
+          ALOGV("timeUs %lld actualTimeUs %lld", (long long)timeUs, (long long)actualTimeUs);
 
           break;
       }