[LP64] Fix access to MediaAlbumArt.
[LP64] Fix access to MediaAlbumArt.

The mSize field is a uint32_t, not a long.

Change-Id: Id3b9e6049e8998840d33fa886b676db2a8022064

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base