Do not wrap action button text.

Bug: 6505172
Change-Id: I240d3559aa4d133f7db24285db076583ef8d3f30

Author: dsandler

core/res/res/layout/notification_action.xml

@@ -25,4 +25,6 @@
     android:paddingLeft="8dp"
     android:textColor="#ccc"
     android:textSize="14dp"
+    android:singleLine="true"
+    android:ellipsize="end"
     />

core/res/res/layout/notification_action_tombstone.xml

@@ -25,6 +25,8 @@
     android:paddingLeft="8dp"
     android:textColor="#ccc"
     android:textSize="14dp"
+    android:singleLine="true"
+    android:ellipsize="end"
     android:alpha="0.5"
     android:enabled="false"
     />