Update from https://crrev.com/314320

build/all.gyp

Index: build/all.gyp
diff --git a/build/all.gyp b/build/all.gyp
index 0888d8cfb4ec1ca472206917ecf808cd0d1397b9..90c01205f8f9b2b58cdc07e1c6f216698c12554e 100644
--- a/build/all.gyp
+++ b/build/all.gyp
@@ -5,7 +5,9 @@
 {
   'variables': {
     # A hook that can be overridden in other repositories to add additional
-    # compilation targets to 'All'. Only used on Android.
+    # compilation targets to 'All'.
+    'app_targets%': [],
+    # For Android-specific targets.
     'android_app_targets%': [],
   },
   'targets': [
@@ -14,6 +16,7 @@
       'type': 'none',
       'xcode_create_dependents_test_runner': 1,
       'dependencies': [
+        '<@(app_targets)',
         'some.gyp:*',
         '../base/base.gyp:*',
         '../components/components.gyp:*',
@@ -236,7 +239,7 @@
         }],
         ['remoting==1', {
           'dependencies': [
-            '../remoting/remoting.gyp:*',
+            '../remoting/remoting_all.gyp:remoting_all',
           ],
         }],
         ['use_openssl==0', {