Merge "Region: Speculative fix for ubsan abort" into pi-dev

}

Region::const_iterator Region::end() const {

    // Workaround for b/77643177

    // mStorage should never be empty, but somehow it is and it's causing

    // an abort in ubsan

    if (mStorage.isEmpty()) return mStorage.array();

    size_t numRects = isRect() ? 1 : mStorage.size() - 1;

    return mStorage.array() + numRects;

}