Add //ui/base:features as the dep of power_save_blocker

Ozone also includes ui/base/ui_base_features.h. Added a dependency of
//ui/base:features.

TBR=hashimoto@chromium.org

Bug: 1136388
Change-Id: I2a8f4f3ba449f089b46710dc52562ab6b5898f80
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2460255Reviewed-by: Ryo Hashimoto <hashimoto@chromium.org>
Reviewed-by: Makoto Shimazu <shimazu@chromium.org>
Commit-Queue: Makoto Shimazu <shimazu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#815056}

services/device/wake_lock/power_save_blocker/BUILD.gn

@@ -54,7 +54,10 @@ source_set("power_save_blocker") {
       ]
     }
     if (use_ozone) {
-      deps += [ "//ui/display:display" ]
+      deps += [
+        "//ui/base:features",
+        "//ui/display:display",
+      ]
     }
   } else if (is_mac) {
     sources += [ "power_save_blocker_mac.cc" ]