T:
* Always plays the scanning animation when user enrolling.
QPR:
* At beginning / Orientation change: Play the scanning animation until user interact with FPS
* When progress moved : Play scanning animation once
* Error : Show message(red color) to notify user
Bug: 232018092
Test: With Rare-FPS device, Settings > Security > Fingerprint enrollment,
enrolling a new fingerprint, check the mIconAnimationDrawable
Test: With Side-FPS device, Settings > Security > Fingerprint enrollment,
enrolling a new fingerprint, check the mIconAnimationDrawable
Test: make RunSettingsGoogleRoboTests ROBOTEST_FILTER= \
"com.google.android.settings.biometrics.fingerprint.FingerprintEnrollEnrollingTest"
Change-Id: I64a1bd24260205b651036c34e6e879b59bef75cc
48286b8df0