Remove build_with_libjingle and exclude failing iOS tests from 'All' target.

webrtc/modules/audio_device/audio_device.gypi

Index: webrtc/modules/audio_device/audio_device.gypi
diff --git a/webrtc/modules/audio_device/audio_device.gypi b/webrtc/modules/audio_device/audio_device.gypi
index c3b6fbaa468335009b088d968d0914bbd9960f01..ceea5c953a0165ce0bdd45ad7478696b98b0ebd2 100644
--- a/webrtc/modules/audio_device/audio_device.gypi
+++ b/webrtc/modules/audio_device/audio_device.gypi
@@ -200,7 +200,8 @@
     },
   ],
   'conditions': [
-    ['include_tests==1', {
+    # Does not compile on iOS: webrtc:4755.
+    ['include_tests==1 and OS!="ios"', {
       'targets': [
         {
           'target_name': 'audio_device_tests',
@@ -235,8 +236,8 @@
             'test/func_test_manager.h',
           ],
         },
-      ], # targets
-    }], # include_tests
+      ],  # targets
+    }], # include_tests==1 and OS!=ios
   ],
 }