Disable auto dimming when color sampling is enabled

Bug: 132371142
Test: Manual, launch app/rotate and ensure that the handle does not dim
Change-Id: I2616dd81b8453e7d8fb196273499db373a10fa93

packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarTransitions.java

@@ -107,6 +107,8 @@ public final class NavigationBarTransitions extends BarTransitions implements
 
     @Override
     public void setAutoDim(boolean autoDim) {
+        // Ensure we aren't in gestural nav if we are triggering auto dim
+        if (autoDim && NavBarTintController.isEnabled(mView.getContext(), mNavBarMode)) return;
         if (mAutoDim == autoDim) return;
         mAutoDim = autoDim;
         applyLightsOut(true, false);