Merge "Build and run the zlib tests." am: 63d1b8aa46 am: aa9ab27d02 am: 7ed115e99f

Original change: https://android-review.googlesource.com/c/platform/external/zlib/+/1340204

Change-Id: I9c801d76f25c61e410fa9e355f16553b4379c2a9