Increasing representative perf test experimen to 100%

The experimental percentage of representative perf tests increased from
25% to 100%

Bug: chromium:1000837
Change-Id: I9d86c3358bcfe8a05d29896453dd0e9154c2f45c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1976191
Commit-Queue: Behdad Bakhshinategh <behdadb@chromium.org>
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
Cr-Commit-Position: refs/heads/master@{#726597}

testing/buildbot/chromium.gpu.json

@@ -251,7 +251,7 @@
           "--benchmarks=rendering.mobile",
           "--browser=android-chromium"
         ],
-        "experiment_percentage": 25,
+        "experiment_percentage": 10,
         "isolate_name": "rendering_representative_perf_tests",
         "merge": {
           "args": [],
@@ -1946,7 +1946,7 @@
           "../../tools/perf/run_benchmark",
           "--benchmarks=rendering.desktop"
         ],
-        "experiment_percentage": 25,
+        "experiment_percentage": 100,
         "isolate_name": "rendering_representative_perf_tests",
         "merge": {
           "args": [],
@@ -2815,7 +2815,7 @@
           "../../tools/perf/run_benchmark",
           "--benchmarks=rendering.desktop"
         ],
-        "experiment_percentage": 25,
+        "experiment_percentage": 100,
         "isolate_name": "rendering_representative_perf_tests",
         "merge": {
           "args": [],
@@ -3879,7 +3879,7 @@
           "--benchmarks=rendering.desktop",
           "--browser=release_x64"
         ],
-        "experiment_percentage": 25,
+        "experiment_percentage": 100,
         "isolate_name": "rendering_representative_perf_tests",
         "merge": {
           "args": [],

testing/buildbot/test_suites.pyl

@@ -3010,7 +3010,7 @@
           "--benchmarks=rendering.desktop",
         ],
         'swarming': {},
-        'experiment_percentage': 25,
+        'experiment_percentage': 100,
       }
     },
 
@@ -3035,7 +3035,7 @@
           "--browser=android-chromium"
         ],
         'swarming': {},
-        'experiment_percentage': 25,
+        'experiment_percentage': 10,
       }
     },