add libcutils to PRODUCT_STATIC_BOOT_CONTROL_HAL

This was picked up transitively previously, but that transitive
include is removed, so we include it explicitly here.

Test: build
Change-Id: I023831d0fbe474d363201f792bbfb3f7ea38cd9b
(cherry picked from commit c2b4ce4e0a0cc6b55db97e7872cd1abdd75ec25a)
diff --git a/device.mk b/device.mk
index 1b3ee7d..6118441 100755
--- a/device.mk
+++ b/device.mk
@@ -112,7 +112,8 @@
 PRODUCT_STATIC_BOOT_CONTROL_HAL := \
     bootctrl.msm8998 \
     libgptutils \
-    libz
+    libz \
+    libcutils
 
 PRODUCT_PACKAGES += \
     update_engine_sideload