Proc stats UI improvements.

Now have a chart showing the memory state, and text showing the
current memory state.  Trying to do better at picking the application
to blame for a process hosting multiple apps.  Start of infrastructure
for more detailed reporting.

Change-Id: I93ca7ecf2fd0bc01e3be8d28b80212ac78fe7607

res/values/arrays.xml

@@ -1149,4 +1149,16 @@
         <item>Always allow</item>
     </string-array>
 
+    <!-- [CHAR LIMIT=30] Labels for memory states -->
+    <string-array name="ram_states">
+        <!-- Normal desired memory state. -->
+        <item>normal</item>
+        <!-- Moderate memory state, not as good as normal. -->
+        <item>moderate</item>
+        <!-- Memory is running low. -->
+        <item>low</item>
+        <!-- Memory is critical. -->
+        <item>critical</item>
+    </string-array>
+
 </resources>