Replace device_sensor browsertest by service unittest.

services/device/BUILD.gn

Index: services/device/BUILD.gn
diff --git a/services/device/BUILD.gn b/services/device/BUILD.gn
index 1e75403bb798a4b0db4d07bccc64f07dceebfefc..658419f0a225db43a843af5a0585f1f277819d01 100644
--- a/services/device/BUILD.gn
+++ b/services/device/BUILD.gn
@@ -60,6 +60,7 @@ source_set("tests") {
   sources = [
     "power_monitor/power_monitor_message_broadcaster_unittest.cc",
     "public/cpp/power_monitor/power_monitor_broadcast_source_unittest.cc",
+    "sensors/device_sensor_service_unittest.cc",
     "vibration/vibration_manager_impl_unittest.cc",
   ]
 
@@ -67,6 +68,8 @@ source_set("tests") {
     ":test_support",
     "//base",
     "//base/test:test_support",
+    "//device/sensors",
+    "//device/sensors/public/cpp:full",
     "//mojo/public/cpp/bindings",
     "//services/device/power_monitor",
     "//services/device/public/cpp/power_monitor",