Remove non-pie versions from build

Also use custom tag as version name to allow re-builds of same version.

This time I actually tested that the arm64 is working on Android. We upgraded to the latest Go version (1.13.1) to fix the arm64 issue.

This version had issues with non-pie builds though, since there's no other fix in sight and these are only needed for API 15, we decided to remove those.

added 1 commit

• 3471ca6b - Remove non-pie versions from build

Compare with previous version

added 1 commit

• b4567893 - Remove non-pie versions from build

Compare with previous version

mentioned in merge request briar!1161 (merged)

merged

mentioned in commit f50e2541