Increase deprecate bazel mode rollout percentage to 30%

Test: unittests
Change-Id: Id268b20ef1f6bd0c405a334859f81699c1c5e035
diff --git a/atest/rollout_control.py b/atest/rollout_control.py
index 37c5435..3cd0be8 100644
--- a/atest/rollout_control.py
+++ b/atest/rollout_control.py
@@ -177,7 +177,7 @@
 
 deprecate_bazel_mode = RolloutControlledFeature(
     name='Deprecate Bazel Mode',
-    rollout_percentage=10,
+    rollout_percentage=30,
     env_control_flag='DEPRECATE_BAZEL_MODE',
     feature_id=1,
     print_message=(