Clean up around 1) Log.VERBOSE and 2) dump

b/31772480

Note: in the follow up CL, I will add the dump result of the bgDataModel
to a proto

Change-Id: I5261cff0fb29cedd1dd772b8b15f67095ad5b967

src/com/android/launcher3/util/SQLiteCacheHelper.java

@@ -20,7 +20,7 @@ public abstract class SQLiteCacheHelper {
     private static final String TAG = "SQLiteCacheHelper";
 
     private static final boolean NO_ICON_CACHE = ProviderConfig.IS_DOGFOOD_BUILD &&
-            Utilities.isPropertyEnabled("MEMORY_ONLY_ICON_CACHE");
+            Utilities.isPropertyEnabled(LogConfig.MEMORY_ONLY_ICON_CACHE);
 
     private final String mTableName;
     private final MySQLiteOpenHelper mOpenHelper;