Adding flag com.android.systemui.qs_new_tiles to trunk_staging.

This change was automatically created by advancing the Gantry workflow at:
https://releasetracker.partner.android.com/changes/1u50sis000001?build_unique_id=ComAndroidSystemuiQsNewTilesLaunch-platform
Do not edit this file manually or revert this change - use the Gantry workflow to manage the state of this flag.

Bug: 311147395
Change-Id: Id9421b854de3917636e777655b0747158fabe0f9
Flag: com.android.systemui.qs_new_tiles
Ignore-AOSP-First: AConfig change for future AOSP release
1 file changed