Merge "Update gemmlowp to 13d57703abca3005d97b19df1f2db731607a7dc2" am: 2a3192a8a0 am: 1937d45f35 am: 4696348bdc

Original change: https://android-review.googlesource.com/c/platform/external/gemmlowp/+/1610833

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I0e39ec9870ed171cd4e6a85f280801262d840f98