Bump several device admin notifications to high priority

The following device admin related events now generate interruptive notifications:
1. Admin-triggered remote bug report collections (requires user action)
2. Remote work profile wipe - post wipe notification
3. The enabling of Network logging
4. Admin remotely installs/removes an APK
5. Work profile needs unlocking after boot

Test: manual
Change-Id: If5a51123c05b15e544a31ac7ec6b42ec831a1ccc
Fix: 130623009
Fix: 120770584
Fix: 118810015