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

webrtc/common_audio/common_audio.gyp

 # Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 {
   'includes': [
@@ skipping 210 matching lines @@
           'sources': [
             'fir_filter_neon.cc',
             'resampler/sinc_resampler_neon.cc',
             'signal_processing/cross_correlation_neon.c',
             'signal_processing/downsample_fast_neon.c',
             'signal_processing/min_max_operations_neon.c',
           ],
         },
       ],  # targets
     }],
-    ['include_tests==1', {
+    ['include_tests==1 and OS!="ios"', {
       'targets' : [
         {
+          # Does not compile on iOS: webrtc:4755.
           'target_name': 'common_audio_unittests',
           'type': '<(gtest_target_type)',
           'dependencies': [
             'common_audio',
             '<(webrtc_root)/test/test.gyp:test_support_main',
             '<(DEPTH)/testing/gmock.gyp:gmock',
             '<(DEPTH)/testing/gtest.gyp:gtest',
           ],
           'sources': [
             'audio_converter_unittest.cc',
@@ skipping 62 matching lines @@
               'sources': [
                 'common_audio_unittests.isolate',
               ],
             },
           ],
         }],
       ],
     }],
   ],  # conditions
 }