Reland of move {media,p2p,pc,xmllite,xmpp}_tests.gypi files.

webrtc/webrtc_tests.gypi

Index: webrtc/webrtc_tests.gypi
diff --git a/webrtc/webrtc_tests.gypi b/webrtc/webrtc_tests.gypi
index cf72d2ee56f89d80227a44d2745efc63c2c66554..7840e80b5ed29362665be15eca7b1ad49c343699 100644
--- a/webrtc/webrtc_tests.gypi
+++ b/webrtc/webrtc_tests.gypi
@@ -18,9 +18,9 @@
         'libjingle/xmpp/xmpp.gyp:rtc_xmpp',
         'p2p/p2p.gyp:rtc_p2p',
         'p2p/p2p.gyp:libstunprober',
-        'rtc_p2p_unittest',
-        'rtc_xmllite_unittest',
-        'rtc_xmpp_unittest',
+        'p2p/p2p.gyp:rtc_p2p_unittest',
+        'libjingle/xmllite/xmllite.gyp:rtc_xmllite_unittest',
+        'libjingle/xmpp/xmpp.gyp:rtc_xmpp_unittest',
         '<(DEPTH)/testing/gtest.gyp:gtest',
         '<(DEPTH)/testing/gmock.gyp:gmock',
       ],
@@ -360,32 +360,6 @@
           ],
         },
         {
-          'target_name': 'rtc_media_unittests_run',
-          'type': 'none',
-          'dependencies': [
-            'rtc_media_unittests',
-          ],
-          'includes': [
-            'build/isolate.gypi',
-          ],
-          'sources': [
-            'rtc_media_unittests.isolate',
-          ],
-        },
-        {
-          'target_name': 'rtc_pc_unittests_run',
-          'type': 'none',
-          'dependencies': [
-            'rtc_pc_unittests',
-          ],
-          'includes': [
-            'build/isolate.gypi',
-          ],
-          'sources': [
-            'rtc_pc_unittests.isolate',
-          ],
-        },
-        {
           'target_name': 'video_engine_tests_run',
           'type': 'none',
           'dependencies': [