No point with ODBC for Android or iOS

Sure, little point for them with the other stuff here in connectivity
either, but those parts at least compile. If/when I get back to
getting the --disable-database-connectivity thing to work, all of
conectivity will be bypassed for Android and iOS, of course.

Change-Id: I4eeeb9ccdf46fb2e1df8bf75aef63e17cbb97bbf

connectivity/Module_connectivity.mk

@@ -45,8 +45,9 @@ $(eval $(call gb_Module_add_targets,connectivity,\
 	Library_file \
 	Library_flat \
 	Library_mysql \
-	Library_odbc \
-	Library_odbcbase \
+	$(if $(filter ANDROID IOS,$(OS)),, \
+		Library_odbc \
+		Library_odbcbase) \
 	Library_sdbc2 \
 	Package_generated \
 	Package_inc \