RESTRICT AUTOMERGE FRP bypass defense in App battery usage page

Before the setup flow completion, don't allow the app info page in App battery usage to be launched.

Bug: 327748846
Test: atest SettingsRoboTests + manual test
- factory reset + launch app battery usage app info via ADB during Setup -> verify app closes
Flag : EXEMPT bugfix

(cherry picked from commit 419a6a90)
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:e5d21702863284479af7561e3c833bc2cab2a7d3)
Merged-In: I486820ca2afecc02729a56a3c531fb931c1907d0
Change-Id: I486820ca2afecc02729a56a3c531fb931c1907d0