Implement the new v4 signing scheme in adb

To be submitted along with changes in apksigner tool and the framework.
Merged to AOSP after that.

Test: adb install --incremental <apk>

go/apk-v4-signature-format

Bug: b/151241461
Change-Id: I26e187f8e389e31e2759037057b96fc6c9cb1e94