Improve find on page accessibility

 Bug: 6827306

Change-Id: I09fe5736b53e0da499ea08a13c1e7a9e56486af7

Author: jreck

core/res/res/menu/webview_find.xml

@@ -18,9 +18,11 @@
     <item android:id="@+id/find_prev"
         android:icon="?android:attr/findOnPagePreviousDrawable"
         android:showAsAction="always"
+        android:title="@string/find_previous"
         />
     <item android:id="@+id/find_next"
         android:icon="?android:attr/findOnPageNextDrawable"
         android:showAsAction="always"
+        android:title="@string/find_next"
         />
 </menu>

core/res/res/values/strings.xml

@@ -3495,6 +3495,10 @@
     <string name="find">Find</string>
     <!-- ActionBar action to use the current selection to perform a web search [CHAR-LIMIT=16] -->
     <string name="websearch">Web Search</string>
+    <!-- ActionBar action to find the next match in the page [CHAR LIMIT=24] -->
+    <string name="find_next">Find next</string>
+    <!-- ActionBar action to find the previous match in the page [CHAR LIMIT=24] -->
+    <string name="find_previous">Find previous</string>
 
     <!-- Network positioning notification ticker. The name of the user (e.g. John Doe) who sent
          the request is shown as a dynamic string. -->