Merge "libui: Apply GRALLOC_USAGE_ALLOC_MASK during alloc" into mnc-dev

    // we have a h/w allocator and h/w buffer is requested

    status_t err;

    // Filter out any usage bits that should not be passed to the gralloc module

    usage &= GRALLOC_USAGE_ALLOC_MASK;

    int outStride = 0;

    err = mAllocDev->alloc(mAllocDev, static_cast<int>(width),

            static_cast<int>(height), format, static_cast<int>(usage), handle,