Make innodb.innodb_information_schema experimental due to Bug 48883.

mysql-test/collections/default.experimental

@@ -6,6 +6,8 @@ binlog.binlog_multi_engine               # joro : NDB tests marked as experiment
 funcs_1.charset_collation_1              # depends on compile-time decisions
 funcs_1.myisam_views @solaris            # Bug#50595 2010-03-05 alik funcs_1.myisam_views takes longer time on 6.0 branch than 5.1 branch
 
+innodb.innodb_information_schema         # Bug#48883 2010-05-11 alik Test "innodb_information_schema" takes fewer locks than expected
+
 main.func_math @freebsd                  # Bug#43020 2010-05-04 alik main.func_math fails on FreeBSD in PB2
 main.gis @solaris                        # Bug#52208 2010-04-26 alik gis fails on some platforms (Solaris, HP-UX, Linux)
 main.gis-rtree @freebsd                  # Bug#38965 2010-05-04 alik test cases gis-rtree, type_float, type_newdecimal fail in embedded server