mask timestamps and source file nrs in expected-results.xml files

Prepare for upcoming updates with concise diffs.

Change-Id: Ic9f006aa8db1b477598605e0525faeb229b03641
diff --git a/sip/expected-results.xml b/sip/expected-results.xml
index 54123a5..c704f85 100644
--- a/sip/expected-results.xml
+++ b/sip/expected-results.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
-<testsuite name='Titan' tests='4' failures='0' errors='0' skipped='0' inconc='0' time='106.00'>
-  <testcase classname='SIP_Tests' name='TC_mt_success_rel_gsm' time='5.032948'/>
-  <testcase classname='SIP_Tests' name='TC_mt_success_rel_sip' time='5.032518'/>
-  <testcase classname='SIP_Tests' name='TC_mo_success_rel_gsm' time='5.032548'/>
-  <testcase classname='SIP_Tests' name='TC_mo_success_rel_sip' time='5.059944'/>
+<testsuite name='Titan' tests='4' failures='0' errors='0' skipped='0' inconc='0' time='MASKED'>
+  <testcase classname='SIP_Tests' name='TC_mt_success_rel_gsm' time='MASKED'/>
+  <testcase classname='SIP_Tests' name='TC_mt_success_rel_sip' time='MASKED'/>
+  <testcase classname='SIP_Tests' name='TC_mo_success_rel_gsm' time='MASKED'/>
+  <testcase classname='SIP_Tests' name='TC_mo_success_rel_sip' time='MASKED'/>
 </testsuite>