GuidedStepFragment: Fix focus bug when cancel IME am: 71afae9a0c am: bf4fb6d430
am: 2e51015e8e

Change-Id: I0fbe7cdf8062882dc2729afd5aa37b5172b7a673
diff --git a/v17/leanback/src/android/support/v17/leanback/widget/GuidedActionAdapter.java b/v17/leanback/src/android/support/v17/leanback/widget/GuidedActionAdapter.java
index 0d53693..04a0674 100644
--- a/v17/leanback/src/android/support/v17/leanback/widget/GuidedActionAdapter.java
+++ b/v17/leanback/src/android/support/v17/leanback/widget/GuidedActionAdapter.java
@@ -476,9 +476,11 @@
             if (DEBUG_EDIT) Log.v(TAG_EDIT, "IME key: " + keyCode);
             if (keyCode == KeyEvent.KEYCODE_BACK && event.getAction() == KeyEvent.ACTION_UP) {
                 mGroup.fillAndStay(GuidedActionAdapter.this, editText);
+                return true;
             } else if (keyCode == KeyEvent.KEYCODE_ENTER && event.getAction() ==
                     KeyEvent.ACTION_UP) {
                 mGroup.fillAndGoNext(GuidedActionAdapter.this, editText);
+                return true;
             }
             return false;
         }