Make frameworks/av 64-bit compatible

Contains the necessary changes to make frameworks/av build and work
on a 64-bit machine.

Signed-off-by: Craig Barber <craig.barber@arm.com>
Signed-off-by: Kévin PETIT <kevin.petit@arm.com>
Signed-off-by: Ashok Bhat <ashok.bhat@arm.com>
Signed-off-by: Marcus Oakland <marcus.oakland@arm.com>

Change-Id: I725feaae50ed8eee25ca2c947cf15aee1f395c43
diff --git a/include/media/AudioSystem.h b/include/media/AudioSystem.h
index 225ef76..4c22412 100644
--- a/include/media/AudioSystem.h
+++ b/include/media/AudioSystem.h
@@ -127,8 +127,8 @@
     // NOTE: this feature is not supported on all hardware platforms and it is
     // necessary to check returned status before using the returned values.
     static status_t getRenderPosition(audio_io_handle_t output,
-                                      size_t *halFrames,
-                                      size_t *dspFrames,
+                                      uint32_t *halFrames,
+                                      uint32_t *dspFrames,
                                       audio_stream_type_t stream = AUDIO_STREAM_DEFAULT);
 
     // return the number of input frames lost by HAL implementation, or 0 if the handle is invalid