[Chipbar] Always tint the start icon correctly.

This creates a TintedIcon & TintedIconViewBinder and forces all chipbar
clients to provide the tint.

Fixes: 260954564
Test: active unlock chipbar watch icon has correct tint in light and
dark mode
Test: media ttt chipbar with default icon and app icon has correct tint
in light and dark mode
Test: media ttt receiver default icon has correct tint in light and dark
mode
Test: atest MediaTttUtilsTest MediaTttChipControllerReceiverTest
ChipbarCoordinatorTest

Change-Id: Ic5d0a97a41b78c851da78d0b159011b27086f8c6