Merge "Remove unused code from the integrity service serializer and parser." into main am: 5991319aa2 am: 3314eae9f8

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3325753

Change-Id: I50f4df82aa6d8fe194291f200058dc4bbe75363d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>