Omnibox UI Experiments: Steady State Elisions - fieldtrial_testing_config Android

Turns on Steady State Elisions for Android in
fieldtrial_testing_config.json.

We're doing this to turn on Beta experiment for Android.

Bug: 797354
Change-Id: Ia650ca67bfb13e6358c1677e08ad3db2134a6fb8
Reviewed-on: https://chromium-review.googlesource.com/1037628
Commit-Queue: Tommy Li <tommycli@chromium.org>
Reviewed-by: Mark Pearson <mpearson@chromium.org>
Cr-Commit-Position: refs/heads/master@{#555255}

testing/variations/fieldtrial_testing_config.json

@@ -2304,7 +2304,8 @@
                     "name": "AndroidExperiments",
                     "enable_features": [
                         "OmniboxBreakWordsAtUnderscores",
-                        "OmniboxDisplayTitleForCurrentUrl"
+                        "OmniboxDisplayTitleForCurrentUrl",
+                        "OmniboxUIExperimentHideSteadyStateUrlSchemeAndSubdomains"
                     ]
                 }
             ]