[automerger skipped] Make libbnnmlowpV8 buildable for native_bridge am: 8c5fba4013 am: 1dd9885cbf -s ours

am skip reason: Change-Id Ic4a9c4b926731af5992cfd27193ede53e0178c88 with SHA-1 8c5fba4013 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/gemmlowp/+/12128243

Change-Id: I1a354d9f1116b6e1c7b50d4d4e474513f2d643a3