Fix class vs. struct mismatch

Don't refer to classes as structs and view versa -- causes warnings in
clang (in code built with -Werror)

Change-Id: I4d7f461bcf6fe4e43a14ad2f28ee0e0ddea95abc
Signed-off-by: Bernhard Rosenkränzer <Bernhard.Rosenkranzer@linaro.org>

cmds/bootanimation/AudioPlayer.cpp

@@ -193,7 +193,7 @@ bool AudioPlayer::init(const char* config)
     return false;
 }
 
-void AudioPlayer::playFile(struct FileMap* fileMap) {
+void AudioPlayer::playFile(FileMap* fileMap) {
     // stop any currently playing sound
     requestExitAndWait();
 

cmds/bootanimation/AudioPlayer.h

@@ -18,6 +18,7 @@
 #define _BOOTANIMATION_AUDIOPLAYER_H
 
 #include <utils/Thread.h>
+#include <utils/FileMap.h>
 
 namespace android {
 
@@ -28,7 +29,7 @@ public:
     virtual     ~AudioPlayer();
     bool        init(const char* config);
 
-    void        playFile(struct FileMap* fileMap);
+    void        playFile(FileMap* fileMap);
 
 private:
     virtual bool        threadLoop();
@@ -39,7 +40,7 @@ private:
     int                 mPeriodSize;
     int                 mPeriodCount;
 
-    struct FileMap*     mCurrentFile;
+    FileMap*            mCurrentFile;
 };
 
 } // namespace android

media/jni/android_media_MediaExtractor.h

@@ -30,7 +30,7 @@
 namespace android {
 
 struct IMediaHTTPService;
-struct MetaData;
+class MetaData;
 struct NuMediaExtractor;
 
 struct JMediaExtractor : public RefBase {

media/jni/android_media_MediaHTTPConnection.h

@@ -24,8 +24,8 @@
 
 namespace android {
 
-struct IMemory;
-struct MemoryDealer;
+class IMemory;
+class MemoryDealer;
 
 struct JMediaHTTPConnection : public RefBase {
     enum {