Fix cert-dcl16-c clang-tidy warnings in nuplayer.

Bug: 120614316
Test: make with WITH_TIDY=1 DEFAULT_GLOBAL_TIDY_CHECKS=-*,cert-dcl16-c
Change-Id: Ia4124c95101ba37d7212a4de8a9a17959153db25
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerDecoderPassThrough.cpp b/media/libmediaplayerservice/nuplayer/NuPlayerDecoderPassThrough.cpp
index 6b05b53..0997e7d 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayerDecoderPassThrough.cpp
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerDecoderPassThrough.cpp
@@ -47,7 +47,7 @@
     : DecoderBase(notify),
       mSource(source),
       mRenderer(renderer),
-      mSkipRenderingUntilMediaTimeUs(-1ll),
+      mSkipRenderingUntilMediaTimeUs(-1LL),
       mReachedEOS(true),
       mPendingAudioErr(OK),
       mPendingBuffersToDrain(0),