Set up common sepolicy for CHRE

Bug: 248615564
Test: compilation by make sepolicy
Change-Id: I0bde64d26d0c4451343f6f7032aecc20b275feaa
diff --git a/chre/hal.mk b/chre/hal.mk
new file mode 100644
index 0000000..13ebb7f
--- /dev/null
+++ b/chre/hal.mk
@@ -0,0 +1,2 @@
+BOARD_VENDOR_SEPOLICY_DIRS += device/google/gs-common/chre/sepolicy/
+PRODUCT_PACKAGES += android.hardware.contexthub-service.generic
\ No newline at end of file