Merge "Revert "[DO NOT MERGE]Revert "Relax minimum signature scheme ver..."" into sc-v2-dev am: 115740d022

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17110028

Change-Id: I0296edbc81ce66c4387398d6e4824a274b38f49e