Text selection without trackball.

Backported from HC.

Squashed commit of the following:

commit af214a595c7a9fdd11a2dc384f7d4665abf751c0
    Fixes in TextView's selection.

commit eb9fd59ebe6500a66c2003d46b5802299970ae8d
    TextView with Selection Contextual Mode

commit 4c4c338ef355b369ce4b57d6c6fba7ee8f9dddf4
    Cosmetic changes around TextView.

commit d4b4b054e87480d984ad18766f5e76553e3080d8
    Double and one and a half tap removed from TextView.

commit 897c2847ba1fca8ef01eadadd1bc3de007af3ee5
    Selection handlers in TextView

commit 832be74a5394649e28927484d9a86c6d53b430e7
    New cursor controller in TextViews.

Change-Id: I01cc64736e2abea605317ee53907a1713617fc17

graphics/java/android/graphics/Rect.java

@@ -75,6 +75,7 @@ public final class Rect implements Parcelable {
         bottom = r.bottom;
     }
 
+    @Override
     public boolean equals(Object obj) {
         Rect r = (Rect) obj;
         if (r != null) {
@@ -84,6 +85,7 @@ public final class Rect implements Parcelable {
         return false;
     }
 
+    @Override
     public String toString() {
         StringBuilder sb = new StringBuilder(32);
         sb.append("Rect("); sb.append(left); sb.append(", ");
@@ -351,7 +353,7 @@ public final class Rect implements Parcelable {
      * rectangle, return true and set this rectangle to that intersection,
      * otherwise return false and do not change this rectangle. No check is
      * performed to see if either rectangle is empty. Note: To just test for
-     * intersection, use intersects()
+     * intersection, use {@link #intersects(Rect, Rect)}.
      *
      * @param left The left side of the rectangle being intersected with this
      *             rectangle
@@ -445,7 +447,7 @@ public final class Rect implements Parcelable {
     /**
      * Returns true iff the two specified rectangles intersect. In no event are
      * either of the rectangles modified. To record the intersection,
-     * use intersect() or setIntersect().
+     * use {@link #intersect(Rect)} or {@link #setIntersect(Rect, Rect)}.
      *
      * @param a The first rectangle being tested for intersection
      * @param b The second rectangle being tested for intersection