Merge "Add -Wno-strict-prototypes to suppress new warnings." am: 30b69e13b4 am: a6124811ee am: 45e205b144 am: 2e2c6f2c87

Original change: https://android-review.googlesource.com/c/platform/external/python/cpython2/+/1403104

Change-Id: I0f5a120d35e5aa536822ac7d1e61d8cd778148a1