Update the path to renderer layer after the move to blink

Change-Id: Ic544f6b27243a0342aab51ed3fb8a6f809c4a2cc
Reviewed-on: https://chromium-review.googlesource.com/1148609Reviewed-by: Jun Cai <juncai@chromium.org>
Commit-Queue: Oksana Zhuravlova <oksamyt@chromium.org>
Cr-Commit-Position: refs/heads/master@{#577698}

services/device/generic_sensor/README.md

@@ -42,7 +42,7 @@ The DeviceOrientation Events API is implemented in `third_party/blink/renderer/m
 [DeviceMotionEvent]: ../../../third_party/blink/renderer/modules/device_orientation/device_motion_event.idl
 [DeviceOrientationEvent]: ../../../third_party/blink/renderer/modules/device_orientation/device_orientation_event.idl
 
-The content renderer layer is located in `content/renderer/device_sensors`.
+The content renderer layer is located in `third_party/blink/renderer/modules/device_orientation`.
 
 Testing: