keystore: Add Trusted User Presence (TUP) APIs.

Test: m -j KeystoreTests && adb install -r
out/target/product/crosshatch/data/app/KeystoreTests/KeystoreTests.apk
    adb shell am instrument
    'android.security.tests/android.support.test.runner.AndroidJUnitRunner'
Bug: 72476834

Change-Id: I61ee4326a5e31f1cefacd47470b53634fa94c2ef