[automerger skipped] Make libbnnmlowpV8 buildable for native_bridge am: 8c5fba4013 -s ours am: cce6ec7ea0 -s ours am: fe5df2a1f2 -s ours

am skip reason: Change-Id Ic4a9c4b926731af5992cfd27193ede53e0178c88 with SHA-1 ca41a583fa is in history

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

Change-Id: I7c341dad7456b2e6a03f9e5463ca8be69966d295