Merge pull request #20293 from wordpress-mobile/issue/19050-fix-uniqu…

…e-constraint-tbl-publicize-connections

Replace INSERT with INSERT OR REPLACE when updating publicize connections table

WordPress/src/main/java/org/wordpress/android/datasets/PublicizeTable.java

@@ -233,7 +233,7 @@ public static void setConnectionsForSite(long siteId, PublicizeConnectionList co
             db.delete(CONNECTIONS_TABLE, "site_id=?", new String[]{Long.toString(siteId)});
 
             stmt = db.compileStatement(
-                    "INSERT INTO " + CONNECTIONS_TABLE
+                    "INSERT OR REPLACE INTO " + CONNECTIONS_TABLE
                     + " (id," // 1
                     + " site_id," // 2
                     + " user_id," // 3