Merge "Add option to apksigner to display PEM encoding of signing certs" into tm-dev am: 37dcfdcbcb

Original change: https://googleplex-android-review.googlesource.com/c/platform/tools/apksig/+/18104170

Change-Id: I8d9df8657c97bd8ce30c8bc6385b12b23f9d33e9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>