Merge "Keystore2: Integrate getState method of IKeystoreMaintenance AIDL." am: 11e324829e

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1630059

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ie9e2b82448ca1c0deb1339acee034933039cd711