RESTRICT AUTOMERGE Add biometric authentication for package modification

Add an extra step of Lock Screen for disabling, force-stopping or
uninstalling updates for protected packages

Bug: 352504490, 344865740
Test: atest AppButtonsPreferenceControllerTest
Flag: EXEMPT High Security Bug
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:32e388ad3199de3c062bb2e2db5d3239f934d0eb)
Merged-In: I0c494e307b02229d751de118abcc89e4e61a6861
Change-Id: I0c494e307b02229d751de118abcc89e4e61a6861