Fixing WebRTC after moving from src/webrtc to src/

In https://webrtc-review.googlesource.com/c/src/+/1560 we moved WebRTC
from src/webrtc to src/ (in order to preserve an healthy git history).
This CL takes care of fixing header guards, #include paths, etc...

NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
TBR=tommi@webrtc.org


Bug: chromium:611808
Change-Id: Iea91618212bee0af16aa3f05071eab8f93706578
Reviewed-on: https://webrtc-review.googlesource.com/1561
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Henrik Kjellander <kjellander@webrtc.org>
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#19846}
diff --git a/tools_webrtc/ios/build_ios_libs.py b/tools_webrtc/ios/build_ios_libs.py
index d78384a..d63f5d9 100755
--- a/tools_webrtc/ios/build_ios_libs.py
+++ b/tools_webrtc/ios/build_ios_libs.py
@@ -229,7 +229,7 @@
     # Generate the license file.
     ninja_dirs = [os.path.join(args.output_dir, arch + '_libs')
                   for arch in architectures]
-    gn_target_full_name = '//webrtc/sdk:' + gn_target_name
+    gn_target_full_name = '//sdk:' + gn_target_name
     builder = LicenseBuilder(ninja_dirs, [gn_target_full_name])
     builder.GenerateLicenseText(
         os.path.join(args.output_dir, SDK_FRAMEWORK_NAME))