Implement popup suggestions pane

Bug: 5023981
Change-Id: Ie1d69131dbf884a3f6a2beb3ac3427e5437c1486
diff --git a/java/res/values/themes-basic.xml b/java/res/values/themes-basic.xml
index 23c71bd..7288dba 100644
--- a/java/res/values/themes-basic.xml
+++ b/java/res/values/themes-basic.xml
@@ -22,6 +22,7 @@
         <item name="miniKeyboardViewStyle">@style/MiniKeyboardView</item>
         <item name="miniKeyboardPanelStyle">@style/MiniKeyboardPanelStyle</item>
         <item name="suggestionsStripBackgroundStyle">@style/SuggestionsStripBackgroundStyle</item>
+        <item name="suggestionsPaneViewStyle">@style/SuggestionsPaneViewStyle</item>
         <item name="suggestionBackgroundStyle">@style/SuggestionBackgroundStyle</item>
         <item name="suggestionPreviewBackgroundStyle">@style/SuggestionPreviewBackgroundStyle</item>
         <item name="candidateViewStyle">@style/CandidateViewStyle</item>