BaseTools: Use absolute import in Common

Based on "futurize -f libfuturize.fixes.fix_absolute_import

Contributed-under: TianoCore Contribution Agreement 1.1
Cc: Yonghong Zhu <yonghong.zhu@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Signed-off-by: Gary Lin <glin@suse.com>
Reviewed-by: Jaben Carsey <jaben.carsey@intel.com>

BaseTools/Source/Python/Common/EdkLogger.py

@@ -12,9 +12,10 @@
 #
 
 ## Import modules
+from __future__ import absolute_import
 import Common.LongFilePathOs as os, sys, logging
 import traceback
-from  BuildToolError import *
+from  .BuildToolError import *
 
 ## Log level constants
 DEBUG_0 = 1