Device is in experimental mode when using 16kB developer option.
When the notification is dimissed, repost it again.
Bug: 351029724
Test: m Settings && adb install -r $ANDROID_PRODUCT_OUT/system_ext/priv-app/Settings/Settings.apk
Flag: EXEMPT bugfix
Change-Id: Ie579b6c4dd060b165c6cc8ae635d48e257d49bec
When device enters page-agnostic mode using 16KB developer
options, show notification to user using boot receiver and service.
On clicked on notification, show detailed instructions on how to
get back to production mode. Removing OEM carrier unlock allowed
condition.
Bug: 295035851
Bug: 338139755
Bug: 302600682
Test: m Settings && adb install -r $ANDROID_PRODUCT_OUT/system_ext/priv-app/Settings/Settings.apk
Change-Id: Ib7a57af4c6151d2a8da1ec94130532d10b1679aa