Start using the HIDL service for context hub

Start to use the HIDL service for context hub.

Test: GTS test for GtsLocationTestCases pass.
Change-Id: I75feae67ba04155b795ffdda5bf8eda8b92ff32d
diff --git a/device.mk b/device.mk
index 0cfd779..e18b57c 100644
--- a/device.mk
+++ b/device.mk
@@ -283,6 +283,7 @@
     activity_recognition.bullhead \
     context_hub.default \
     android.hardware.sensors@1.0-impl \
+    android.hardware.contexthub@1.0-impl \
 
 # new gatekeeper HAL
 PRODUCT_PACKAGES +=                         \