(1/n) Make the GlifHeader scrollable on FingerprintEnrollEnrolling(

UDPFS) layout page.

1. To override GlifLayout's onInflateTemplate() then embedding a
ScrollView on GlifHeader.
2. Remove previous hiding the description text snippet
3. Handling UDFPS enroll lottie position problem.
4. Solve the ProgressBar overlapped with FooterBar problem.

Flag: com.android.settings.flags.enroll_layout_truncate_improvement

Bug: 359149850
Bug: 367164671
Bug: 362522976

Test: atest UdfpsEnrollEnrollingViewTest
Test: Build Forrest ROM then check the UI in different scenarios
Change-Id: Iee44cb5815286233f23266e3d86fd8335ab2087d