Shorten mTag in VRI

The current mTag is ViewRootImpl[name] which can be very long. Shorten
ViewRootImpl to VRI since this is a common acronym.

Test: Log tag and BBQ name is updated
Bug: 217621394
Change-Id: Ibcd0ac72733a74dade64491d853a7c98700eb60d

core/java/android/view/ViewRootImpl.java

@@ -1335,7 +1335,7 @@ public final class ViewRootImpl implements ViewParent,
     private void setTag() {
         final String[] split = mWindowAttributes.getTitle().toString().split("\\.");
         if (split.length > 0) {
-            mTag = TAG + "[" + split[split.length - 1] + "]";
+            mTag =  "VRI[" + split[split.length - 1] + "]";
         }
     }