Redlines for CallDetailActivity (call history items and voicemails)

* Swapped out new assets
* Changed background colors as necessary
* Add padding view at bottom of seek container
* Changed color of drawables
* Removed unused assets

Change-Id: I654ba417e03b2a32039504ae2de51fd75c5bec20
diff --git a/res/drawable/ic_plus.xml b/res/drawable/ic_plus.xml
index 176b21a..c606674 100644
--- a/res/drawable/ic_plus.xml
+++ b/res/drawable/ic_plus.xml
@@ -15,6 +15,6 @@
 -->
 
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:state_enabled="false" android:drawable="@drawable/ic_plus_disabled_holo_dark" />
-    <item android:drawable="@drawable/ic_plus_holo_dark" />
+    <item android:state_enabled="false" android:drawable="@drawable/ic_vm_plus_dis" />
+    <item android:drawable="@drawable/ic_vm_plus_dk" />
 </selector>