Enable CHARGER_ENABLE_SUSPEND to allow suspend

Fixed a bug in makefile that was keeping CHARGER_ENABLE_SUSPEND from
getting properly set, so healthd was not trying to put kernel into
suspend.

Bug: 32162033
Change-Id: If054d7996fa5734285cbcd7d497492570076c141
diff --git a/healthd/Android.mk b/healthd/Android.mk
index 9bff767..1390962 100644
--- a/healthd/Android.mk
+++ b/healthd/Android.mk
@@ -19,6 +19,10 @@
 include $(BUILD_STATIC_LIBRARY)
 
 include $(CLEAR_VARS)
+ifeq ($(strip $(BOARD_CHARGER_ENABLE_SUSPEND)),true)
+LOCAL_CFLAGS += -DCHARGER_ENABLE_SUSPEND
+LOCAL_SHARED_LIBRARIES += libsuspend
+endif
 LOCAL_SRC_FILES := \
     healthd_mode_android.cpp \
     healthd_mode_charger.cpp \
@@ -76,7 +80,6 @@
 ifneq ($(BOARD_PERIODIC_CHORES_INTERVAL_SLOW),)
 LOCAL_CFLAGS += -DBOARD_PERIODIC_CHORES_INTERVAL_SLOW=$(BOARD_PERIODIC_CHORES_INTERVAL_SLOW)
 endif
-
 LOCAL_C_INCLUDES := bootable/recovery
 
 LOCAL_STATIC_LIBRARIES := \