Add optional labels to icon tiles.

This adds a switch in edit mode. Enabling labels will make the icon tiles taller and add the labels under the icon.

Flag: com.android.systemui.qs_ui_refactor
Test: manually with QSActivity
Fix: 341735914
Change-Id: Ib2639a3fec685360661a1e8c676ef90a76a58b4e
20 files changed