Changed all BuiltIn().import_resource() calls to my_import_resource().

Change-Id: I68cac29a9e6d55c2588c94de1c387b32f63ac9b6
Signed-off-by: Michael Walsh <micwalsh@us.ibm.com>
diff --git a/lib/boot/powerons.py b/lib/boot/powerons.py
index e8b921b..94ee1b1 100755
--- a/lib/boot/powerons.py
+++ b/lib/boot/powerons.py
@@ -7,17 +7,12 @@
 
 import gen_robot_print as grp
 import state as state_mod
+import gen_robot_utils as gru
 
 from robot.libraries.BuiltIn import BuiltIn
 
-# We don't want global variable getting changed when an import is done
-# so we'll save it and restore it.
-quiet = int(BuiltIn().get_variable_value("${quiet}"))
-
 # We need utils.robot to get keyword "Initiate Power On".
-BuiltIn().import_resource("utils.robot")
-
-BuiltIn().set_global_variable("${quiet}", quiet)
+gru.my_import_resource("utils.robot")
 
 
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