Don't do anything in Android GN build while the current bugs are fixed.

BUG=405686

Review URL: https://codereview.chromium.org/501513003

Cr-Commit-Position: refs/heads/master@{#291500}
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@291500 0039d316-1c4b-4281-b951-d872f2087c98

BUILD.gn

@@ -10,6 +10,17 @@
 
 import("//build/config/ui.gni")
 
+# Android GN build has some bugs: http://crbug.com/405686
+if (is_android) {
+
+group("root") {
+  deps = [
+    "//base",
+  ]
+}
+
+} else {
+
 # In GN, a "group" is a dummy target that just lists other targets.
 group("root") {
   # Note that some dependencies are commented out. These are things that are
@@ -232,3 +243,5 @@ group("root") {
     ]
   }
 }
+
+}
\ No newline at end of file