Move //device/sensor impl to be part of the internal implemenation of the Device Service.

device/BUILD.gn

Index: device/BUILD.gn
diff --git a/device/BUILD.gn b/device/BUILD.gn
index 1542a8730e20aa58f57467525a50c454c68d020d..5a8cf2730e1c0266700051e2c07826e4cb98bb8c 100644
--- a/device/BUILD.gn
+++ b/device/BUILD.gn
@@ -70,9 +70,6 @@ test("device_unittests") {
     "gamepad/public/interfaces/gamepad_struct_traits_unittest.cc",
     "generic_sensor/platform_sensor_and_provider_unittest_win.cc",
     "generic_sensor/platform_sensor_provider_unittest.cc",
-    "sensors/data_fetcher_shared_memory_base_unittest.cc",
-    "sensors/sensor_manager_android_unittest.cc",
-    "sensors/sensor_manager_chromeos_unittest.cc",
     "test/run_all_unittests.cc",
     "u2f/u2f_apdu_unittest.cc",
     "u2f/u2f_message_unittest.cc",
@@ -97,9 +94,6 @@ test("device_unittests") {
     "//device/generic_sensor:testing",
     "//device/geolocation:unittests",
     "//device/power_save_blocker",
-    "//device/sensors",
-    "//device/sensors/public/cpp:full",
-    "//device/sensors/public/interfaces",
     "//device/wake_lock",
     "//mojo/common",
     "//mojo/edk/system",
@@ -193,7 +187,6 @@ test("device_unittests") {
       ":bluetooth_test_jni_headers",
       "//device/geolocation:geolocation_java",
       "//device/geolocation:geolocation_java_test_support",
-      "//device/sensors:java",
       "//device/usb:java",
     ]
     deps -= [ "//device/battery" ]