Add QtConnectivity and QtAndroidExtras to addon modules

To have QtAndroidExtras and QtConnectivity updated by
submodule update bot, this patch marks both of them as
addon instead of ignore.

Change-Id: Ibf34848978ef1f39273f71c99c6b1f7e18bf2fe6
Reviewed-by: Jani Heikkinen <jani.heikkinen@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>

.gitmodules

@@ -112,7 +112,7 @@
 	path = qtconnectivity
 	url = ../qtconnectivity.git
 	branch = dev
-	status = ignore
+	status = additionalLibrary
 [submodule "qtwayland"]
 	depends = qtbase
 	recommends = qtdeclarative
@@ -184,7 +184,7 @@
 	path = qtandroidextras
 	url = ../qtandroidextras.git
 	branch = dev
-	status = ignore
+	status = additionalLibrary
 [submodule "qtwebsockets"]
 	depends = qtbase
 	recommends = qtdeclarative