Bug 1101651 - Part 3: Update cppunitest.ini file. r=dminor

Enable WebRTC unit tests to be built using standalone WebRTC

--HG--
extra : rebase_source : f6b8b12eef419d56fed4e1c6559ac2d38e357427

testing/cppunittest.ini

@@ -92,6 +92,8 @@ skip-if = os == 'b2g'  #Bug 1068946
 [mediaconduit_unittests]
 [mediapipeline_unittest]
 skip-if = os == 'b2g' || os == 'android'  # Bug 919646
+[mediapipeline_unittest_standalone]
+skip-if = os == 'b2g' || os == 'android'  # Bug 919646
 [nrappkit_unittest]
 [rlogringbuffer_unittest]
 [runnable_utils_unittest]
@@ -99,7 +101,9 @@ skip-if = os == 'b2g' || os == 'android'  # Bug 919646
 [jsep_session_unittest]
 skip-if = os == 'android' # Bug 1147631
 [sdp_unittests]
+[sdp_unittests_standalone]
 [signaling_unittests]
+[signaling_unittests_standalone]
 [simpletokenbucket_unittest]
 [sockettransportservice_unittest]
 [test_AsXXX_helpers]