Text selection: When user reaches midpoint jump to end of word

Adjusts the point at which the handles jump to the end of the word.
Previously it was 1 or 2 characters depending on word length, now it
will use the midpoint of the word.

Bug: 21131483
Change-Id: I0d3c1bf4672ae27781318cf2563051cc66bb9f98
diff --git a/core/java/android/widget/Editor.java b/core/java/android/widget/Editor.java
index 9ca59f1..ab412f1 100644
--- a/core/java/android/widget/Editor.java
+++ b/core/java/android/widget/Editor.java
@@ -4123,7 +4123,7 @@
                 if (!mInWord || currLine < mPrevLine) {
                     // We're not in a word, or we're on a different line so we'll expand by
                     // word. First ensure the user has at least entered the next word.
-                    int offsetToWord = Math.min((end - start) / 2, 2);
+                    int offsetToWord = (end - start) / 2;
                     if (offset <= end - offsetToWord || currLine < mPrevLine) {
                         offset = start;
                     } else {
@@ -4262,7 +4262,7 @@
                 if (!mInWord || currLine > mPrevLine) {
                     // We're not in a word, or we're on a different line so we'll expand by
                     // word. First ensure the user has at least entered the next word.
-                    int midPoint = Math.min((end - start) / 2, 2);
+                    int midPoint = (end - start) / 2;
                     if (offset >= start + midPoint || currLine > mPrevLine) {
                         offset = end;
                     } else {