jingle_unittests: Don't run LibjingleLogTest on Android

Those tests don't pass, but the rest of jingle_unittests seems to do so.

Bug: 843104, 840756, 842698
Change-Id: I9895fa88042ec5decdc70e33fceb362d14638f1d
Reviewed-on: https://chromium-review.googlesource.com/1059613Reviewed-by: Nico Weber <thakis@chromium.org>
Reviewed-by: Nicolas Zea <zea@chromium.org>
Commit-Queue: Nico Weber <thakis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#559266}

jingle/BUILD.gn

@@ -164,6 +164,11 @@ test("jingle_unittests") {
     ]
   }
 
+  if (is_android) {
+    # LibjingleLogTest don't pass on Android (crbug.com/843104).
+    sources -= [ "glue/logging_unittest.cc" ]
+  }
+
   configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
 
   public_deps = [