Get rid of one redundant comparison of #mComposingTextStart

The code in question is not only redundant but also
harmful because it causes unnecessary integer boxing.

BUG: 17340578
Change-Id: Ife6e48889db80394d224297c53806105dc41d56e

core/java/android/view/inputmethod/CursorAnchorInfo.java

@@ -211,9 +211,6 @@ public final class CursorAnchorInfo implements Parcelable {
                 || !areSameFloatImpl(mInsertionMarkerBottom, that.mInsertionMarkerBottom)) {
             return false;
         }
-        if (!Objects.equals(mComposingTextStart, that.mComposingTextStart)) {
-            return false;
-        }
         if (!Objects.equals(mCharacterRects, that.mCharacterRects)) {
             return false;
         }