Use relative paths in GN files.

webrtc/pc/BUILD.gn

 # Copyright (c) 2016 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.
 
 import("../webrtc.gni")
 if (is_android) {
@@ skipping 413 matching lines @@
       ]
     }
 
     deps = []
     if (is_android) {
       sources += [
         "test/androidtestinitializer.cc",
         "test/androidtestinitializer.h",
       ]
       deps += [
+        "../sdk/android:libjingle_peerconnection_java",
+        "../sdk/android:libjingle_peerconnection_jni",
         "//testing/android/native_test:native_test_support",
-        "//webrtc/sdk/android:libjingle_peerconnection_java",
-        "//webrtc/sdk/android:libjingle_peerconnection_jni",
       ]
     }
 
     deps += [
       ":libjingle_peerconnection",
       ":pc_test_utils",
       "..:webrtc_common",
       "../api:fakemetricsobserver",
       "../base:rtc_base_tests_main",
       "../base:rtc_base_tests_utils",
       "../media:rtc_media_tests_utils",
       "../pc:rtc_pc",
       "../system_wrappers:metrics_default",
       "../test:audio_codec_mocks",
       "//testing/gmock",
     ]
 
     if (is_android) {
       deps += [ "//testing/android/native_test:native_test_support" ]
 
       shard_timeout = 900
     }
   }
 }