Merge "ExifInterface: Set mPosition in AssetStream with proper values" into nyc-dev

am: a7ad6e912f

* commit 'a7ad6e912f82124b9a7e6f2d14a2ccbae79d16f2':
  ExifInterface: Set mPosition in AssetStream with proper values

Change-Id: I59abff01d593647048fe42e7b0dd546f9a68ebdd

media/jni/android_media_Utils.cpp

@@ -31,7 +31,7 @@
 namespace android {
 
 AssetStream::AssetStream(SkStream* stream)
-    : mStream(stream) {
+    : mStream(stream), mPosition(0) {
 }
 
 AssetStream::~AssetStream() {
@@ -48,7 +48,7 @@ piex::Error AssetStream::GetData(
 
     // Read bytes.
     size_t size = mStream->read((void*)data, length);
-    mPosition += size;
+    mPosition = offset + size;
 
     return size == length ? piex::Error::kOk : piex::Error::kFail;
 }