DO NOT MERGE: Cherry-pick a bunch fixes to AOSP

Task affinity updates

- Remove task affinity for AppDrawOver Settings
- Remove task affinity for ConfigNotificationSettings

The task affinity is messing with the back stack for this activity when
launched externally

Fixes: 80281932
Fixes: 80290571
Test: manual

Disable uninstall update option for secondary users.

Fixes: 110249550
Test: manual

Suppress some gesture search when there is no hardware

Fixes: 110250839
Test: robotests

Check wifi password length by byte, not char.

Change-Id: Ic25ef766886507211c3de8764c1cffef2b27a025
Fixes: 79209073
Test: robotest