Add a promo card for visual voicemail.

The promo card explains what visual voicemail is, along with a link to
settings to disable it and an ok button to dismiss it.
Also move common resources from GoogleDialer to the respective resource
files.

Bug: 21086059
Change-Id: Iecfe778b815fb572667d0cecdb958205ec1b48a0
diff --git a/res/values/styles.xml b/res/values/styles.xml
index dab5c6a..7d5d42f 100644
--- a/res/values/styles.xml
+++ b/res/values/styles.xml
@@ -218,4 +218,18 @@
         <item name="cardCornerRadius">2dp</item>
         <item name="cardBackgroundColor">@color/background_dialer_call_log_list_item</item>
     </style>
+
+    <style name="PromoCardActionStyle">
+        <item name="android:layout_width">wrap_content</item>
+        <item name="android:layout_height">@dimen/call_log_action_height</item>
+        <item name="android:gravity">end|center_vertical</item>
+        <item name="android:paddingStart">@dimen/call_log_action_horizontal_padding</item>
+        <item name="android:paddingEnd">@dimen/call_log_action_horizontal_padding</item>
+        <item name="android:textColor">@color/promo_card_text</item>
+        <item name="android:textSize">@dimen/call_log_list_item_actions_text_size</item>
+        <item name="android:fontFamily">"sans-serif-medium"</item>
+        <item name="android:focusable">true</item>
+        <item name="android:singleLine">true</item>
+        <item name="android:textAllCaps">true</item>
+    </style>
 </resources>