A11y pattern view is no longer selectable

Fixes: 386873612
Fixes: 386873927
Test: Verified pattern view is no longer selectable, but cells are still
announced.
Flag: EXEMPT bugfix

Change-Id: If80da276f2a33206c39552b6b86a92c899f865a9

src/com/android/settings/password/ChooseLockPattern.java

@@ -563,6 +563,7 @@ public class ChooseLockPattern extends SettingsActivity {
             mLockPatternView = (LockPatternView) view.findViewById(R.id.lockPattern);
             mLockPatternView.setOnPatternListener(mChooseNewLockPatternListener);
             mLockPatternView.setFadePattern(false);
+            mLockPatternView.setClickable(false);
 
             mFooterText = (TextView) view.findViewById(R.id.footerText);