Prevent IME on digits field

Bug: 6154760
Change-Id: I72c0d42c2e39290c9d62506c262b9fc0e23a3760
diff --git a/src/com/android/contacts/dialpad/DigitsEditText.java b/src/com/android/contacts/dialpad/DigitsEditText.java
index 68335da..7b3e8b2 100644
--- a/src/com/android/contacts/dialpad/DigitsEditText.java
+++ b/src/com/android/contacts/dialpad/DigitsEditText.java
@@ -32,6 +32,7 @@
     public DigitsEditText(Context context, AttributeSet attrs) {
         super(context, attrs);
         setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS);
+        setShowSoftInputOnFocus(false);
     }
 
     @Override