tests: mark some tests as using private API

These autotests are all using private symbols, available only when Qt is
configured with -developer-build.  So, gracefully disable them when
the private symbols are not available.

Reviewed-by: Jason McDonald
Change-Id: Iafd1c7af486feeee810110bc021e75984827f78a

tests/auto/corelib.pro

@@ -112,3 +112,6 @@ symbian:SUBDIRS -= \
    qtconcurrentrun \
    qtconcurrentthreadengine \
 
+!contains(QT_CONFIG, private_tests): SUBDIRS -= \
+    qfileinfo \
+

tests/auto/gui.pro

@@ -209,11 +209,23 @@ SUBDIRS=\
 win32:SUBDIRS -= qtextpiecetable
 
 !contains(QT_CONFIG, private_tests): SUBDIRS -= \
+           qcolumnview \
+           qgraphicsanchorlayout \
+           qgraphicsanchorlayout1 \
+           qgraphicsitem \
+           qgraphicsscene \
            qgraphicssceneindex \
+           qlistwidget \
+           qmainwindow \
            qnetworkreply \
            qpathclipper \
+           qpixmapcache \
+           qsidebar \
            qstylesheetstyle \
+           qtextlayout \
            qtextpiecetable \
+           qtipc \
+           qtoolbar \
 
 symbian:SUBDIRS -= \
     qsystemtrayicon \

tests/auto/network.pro

@@ -45,10 +45,12 @@ SUBDIRS=\
 #    qnetworkproxyfactory \ # Uses a hardcoded proxy configuration
 
 !contains(QT_CONFIG, private_tests): SUBDIRS -= \
+    platformsocketengine \
     qauthenticator \
+    qhostinfo \
     qhttpnetworkconnection \
     qhttpnetworkreply \
-    platformsocketengine \
+    qhttpsocketengine \
     qsocketnotifier \
     qsocks5socketengine \
 

tests/auto/other.pro

@@ -58,5 +58,7 @@ symbian {
 
 # Following tests depends on private API
 !contains(QT_CONFIG, private_tests): SUBDIRS -= \
+           qcombobox \
            qcssparser \
+           qtextedit \