Revert "Remove the __import__ hack of lldbtest_config."

The hack still seems to be necessary. Putting it back in until we figure out why.

git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@251862 91177308-0d34-0410-b5e6-96231b3b80d8

packages/Python/lldbsuite/test/dotest.py

@@ -19,11 +19,14 @@
 """
 
 from __future__ import print_function
+# this module needs to have global visibility, otherwise test cases
+# will import it anew in their local namespace, essentially losing access
+# to all the configuration data
+globals()['lldbtest_config'] = __import__('lldbtest_config')
 
 import use_lldb_suite
-import lldbsuite
 
-import lldbtest_config
+import lldbsuite
 
 import atexit
 import commands