Hide voice search icon if search view is not empty

Bug: 10647502
Change-Id: Ic451c378a107789f08b08e32aff0d37dca002f8f
diff --git a/src/com/android/dialer/DialtactsActivity.java b/src/com/android/dialer/DialtactsActivity.java
index c85ce42..ca7a958 100644
--- a/src/com/android/dialer/DialtactsActivity.java
+++ b/src/com/android/dialer/DialtactsActivity.java
@@ -233,6 +233,7 @@
                 if (TextUtils.isEmpty(newText) && getInSearchUi()) {
                     exitSearchUi();
                     mSearchViewCloseButton.setVisibility(View.GONE);
+                    mVoiceSearchButton.setVisibility(View.VISIBLE);
                     return;
                 } else if (!TextUtils.isEmpty(newText)) {
                     final boolean sameSearchMode = (dialpadSearch && mInDialpadSearch) ||
@@ -249,6 +250,7 @@
                         mRegularSearchFragment.setQueryString(newText, false);
                     }
                     mSearchViewCloseButton.setVisibility(View.VISIBLE);
+                    mVoiceSearchButton.setVisibility(View.GONE);
                     return;
                 }
             }