[Settings] Enable support for AdaptiveIcon (Data Usage, Hotspot, VPN)

This is a change to enable the support of AdaptiveIcon for following
widgets:
1. Data Usage
2. Wi-Fi Hotspot
3. VPN

Bug: 225252321
Test: local
Change-Id: I523dee9cfd435a95fd31e8730053e0d9ff2c2339
(cherry picked from commit 86027479)