Restore some greylist entries.

In Q, these APIs were either:
- removed from the greylist entirely without good reason
- Moved to the restricted greylist without any public alternative
  information added

So they are being moved back to the greylist for Q.

Test: Treehugger
Bug: 136102585
Change-Id: Ie3dd15c8e17d530d853473a013717e6175383080

core/java/android/view/accessibility/AccessibilityManager.java

@@ -184,7 +184,7 @@ public final class AccessibilityManager {
 
     boolean mIsTouchExplorationEnabled;
 
-    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P, trackingBug = 123768939)
+    @UnsupportedAppUsage(trackingBug = 123768939L)
     boolean mIsHighTextContrastEnabled;
 
     AccessibilityPolicy mAccessibilityPolicy;