[Android] Don't build remoting_unittests.

BUILD.gn

Index: BUILD.gn
diff --git a/BUILD.gn b/BUILD.gn
index 6bc5fd3d3b4f95bb95b94419cf3145d09acaf08d..ca543e6adffbb6f6897bc62b1d18380416071ac6 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -66,7 +66,6 @@ group("gn_all") {
     "//ppapi:ppapi_unittests",
     "//ppapi/examples",  # TODO(GYP): What's the GYP equivalent?
     "//printing:printing_unittests",
-    "//remoting:remoting_unittests",
     "//skia:skia_unittests",
     "//sql:sql_unittests",
     "//sync:sync_unit_tests",
@@ -101,6 +100,10 @@ group("gn_all") {
     deps += [ "//extensions/shell:app_shell_unittests" ]
   }
 
+  if (!is_android) {
+    deps += [ "//remoting:remoting_unittests" ]
+  }
+
   if (!is_win) {
     deps += [ "//breakpad:symupload" ]
   }