Only try disabling quiet mode

The underlying API has slightly changed to require the profile
challenge if the profile that we're trying to enable hasn't been
unlocked yet.

Bug: 27764124
Change-Id: I9efb3d3ed49034b573abb4c18119ffadcccfe947

src/com/android/settings/dashboard/conditional/WorkModeCondition.java

@@ -90,7 +90,7 @@ public class WorkModeCondition extends Condition {
     @Override
     public void onActionClick(int index) {
         if (index == 0) {
-            mUm.setQuietModeEnabled(mUserHandle.getIdentifier(), false);
+            mUm.trySetQuietModeDisabled(mUserHandle.getIdentifier(), null);
             setActive(false);
         } else {
             throw new IllegalArgumentException("Unexpected index " + index);