Revert "Change invalid input exception to IllegalArgumentException."

This reverts commit b03e357980.

Reason for revert: breaking master cf_x86_64_phone-userdebug build

Change-Id: Id4b017b95783daaa7f399271f8dfb748f14cbb42

core/java/android/app/StatusBarManager.java

@@ -755,7 +755,7 @@ public class StatusBarManager {
     public void setNavBarModeOverride(@NavBarModeOverride int navBarModeOverride) {
         if (navBarModeOverride != NAV_BAR_MODE_OVERRIDE_NONE
                 && navBarModeOverride != NAV_BAR_MODE_OVERRIDE_KIDS) {
-            throw new IllegalArgumentException(
+            throw new UnsupportedOperationException(
                     "Supplied navBarModeOverride not supported: " + navBarModeOverride);
         }