Adding a field trial entry to match update launch arm

This modifies field trial testing for navigation predictor to match the
new arm rolling out to Beta with M79.

Change-Id: Ibae0deb28cd9f96e788b67f4c5a7c95b94cf82ca
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1891143Reviewed-by: Tarun Bansal <tbansal@chromium.org>
Reviewed-by: Brian White <bcwhite@chromium.org>
Commit-Queue: Ryan Sturm <ryansturm@chromium.org>
Cr-Commit-Position: refs/heads/master@{#711339}

testing/variations/fieldtrial_testing_config.json

@@ -3630,27 +3630,27 @@
             ],
             "experiments": [
                 {
-                    "name": "Enabled_Logistic_Precision_30",
+                    "name": "Enabled_Logistic_Precision_15_M79_20191029",
                     "params": {
                         "area_rank_scale": "0",
-                        "clickable_space_scale": "-31000",
-                        "contains_image_scale": "670000",
+                        "clickable_space_scale": "1040",
+                        "contains_image_scale": "787000",
                         "iframe_link_total_scale": "0",
-                        "image_link_total_scale": "401000",
-                        "increment_link_total_scale": "5210000",
+                        "image_link_total_scale": "-11600",
+                        "increment_link_total_scale": "36100",
                         "is_in_iframe_scale": "0",
-                        "is_same_host_scale": "-1470000",
-                        "is_url_incremented_scale": "21900000",
-                        "link_total_scale": "-1170000",
-                        "median_link_location_scale": "-892",
+                        "is_same_host_scale": "918000",
+                        "is_url_incremented_scale": "4790000",
+                        "link_total_scale": "-19700",
+                        "median_link_location_scale": "-3",
                         "normalize_scores": "false",
                         "prefetch_after_preconnect": "true",
-                        "prefetch_url_score_threshold": "16502564",
-                        "ratio_area_scale": "204000",
-                        "ratio_distance_root_top_scale": "381",
-                        "same_origin_link_total_scale": "723000",
-                        "viewport_height_scale": "-741",
-                        "viewport_width_scale": "565"
+                        "prefetch_url_score_threshold": "2250000",
+                        "ratio_area_scale": "13000",
+                        "ratio_distance_root_top_scale": "-15",
+                        "same_origin_link_total_scale": "3110",
+                        "viewport_height_scale": "-50",
+                        "viewport_width_scale": "76"
                     },
                     "enable_features": [
                         "NavigationPredictor"