row_neon.cc manually editted for clang format bugs

TBR=braveyao@chromium.org

Bug: None
Test: local arm builds still pass
Change-Id: Ida4aac2f4ee354e2c1bd354b06e76a26b3c0becc
Reviewed-on: https://chromium-review.googlesource.com/930165Reviewed-by: Frank Barchard <fbarchard@chromium.org>