Only apply the new tint API in the Volume Panel

This change causes various problems in other places where we use Icon.

Flag: com.android.systemui.volume_redesign
Fixes: 415250598
Fixes: 420824185
Test: atest VolumeDialogScreenshotTest
Test: atest VolumePanelScreenshotTest
Test: manual on foldable. Adjust volume and observe the icon
Change-Id: I31185297d703dc3ae72dd8f44b88174a4d6f4bd0