increase max number of tabs

Change-Id: I45cd23442fc0d4d3d117f9eca6051b79169d9c0d
diff --git a/res/values/integers.xml b/res/values/integers.xml
index 0402e90..9aae216 100644
--- a/res/values/integers.xml
+++ b/res/values/integers.xml
@@ -16,4 +16,6 @@
     <integer name="max_suggest_lines_landscape">6</integer>
     <!-- The number of lines in the suggestions dropdown in portrait -->
     <integer name="max_suggest_lines_portrait">12</integer>
+    <!--  The maximum number of open tabs -->
+    <integer name="max_tabs">16</integer>
 </resources>
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