Notify Content Capture when deselected

Notify Content Capture with the text changed event when deselected.

Bug: 184311217
Test: manual
 1.long press trigger selection, event is sent.
 2.drag selection indicators, send event after the drag is done.
 3.deselecting, event is sent.
Test: atest CtsContentCaptureServiceTestCases
Change-Id: I3d05b8e798bfb5b213817b36f163aab0a688bdf4

core/java/android/widget/SelectionActionModeHelper.java

@@ -604,6 +604,7 @@ public final class SelectionActionModeHelper {
          */
         public void onSelectionDestroyed() {
             mAllowReset = false;
+            mTextView.notifyContentCaptureTextChanged();
             // Wait a few ms to see if the selection was destroyed because of a text change event.
             mDelayedLogAbandon.schedule(100 /* ms */);
         }