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

namespace android {

AssetStream::AssetStream(SkStream* stream)

    : mStream(stream) {

    : mStream(stream), mPosition(0) {

}

AssetStream::~AssetStream() {

    // Read bytes.

    size_t size = mStream->read((void*)data, length);

    mPosition += size;

    mPosition = offset + size;

    return size == length ? piex::Error::kOk : piex::Error::kFail;

}