Implement popup suggestions pane

Bug: 5023981
Change-Id: Ie1d69131dbf884a3f6a2beb3ac3427e5437c1486
diff --git a/java/res/values/attrs.xml b/java/res/values/attrs.xml
index fdeca25..9d34268 100644
--- a/java/res/values/attrs.xml
+++ b/java/res/values/attrs.xml
@@ -27,6 +27,7 @@
         <attr name="miniKeyboardPanelStyle" format="reference" />
         <!-- Suggestions strip style -->
         <attr name="suggestionsStripBackgroundStyle" format="reference" />
+        <attr name="suggestionsPaneViewStyle" format="reference" />
         <attr name="suggestionBackgroundStyle" format="reference" />
         <attr name="suggestionPreviewBackgroundStyle" format="reference" />
         <attr name="candidateViewStyle" format="reference" />