Merge "Create new instance of shared lineage signers to preserve capabilities"...

Merge "Create new instance of shared lineage signers to preserve capabilities" into sc-dev am: 71f64ff1 am: 57244b6e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15508291

Change-Id: I09d11748055a19495feae106005b61ce99f2a843