Merge "Use hard-coded string to represent the ukey2 role when salting the authentication token." into aosp-main-future am: ffc308aab8 am: 12db897275

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24827551

Change-Id: Ic0fcd6c61e235d0b84122d16bd84387c3e66ed0e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>