ueventd: easier debug logging

Move ueventd debug flag into the Android.mk.
Boost klog level if event logging enabled.

Change-Id: Iae48edbc43c487092c2424023576af29c76ff401
diff --git a/init/Android.mk b/init/Android.mk
index 1f43ba6..740d10f 100644
--- a/init/Android.mk
+++ b/init/Android.mk
@@ -26,6 +26,9 @@
 LOCAL_CFLAGS += -DALLOW_LOCAL_PROP_OVERRIDE=1
 endif
 
+# Enable ueventd logging
+#LOCAL_CFLAGS += -DLOG_UEVENTS=1
+
 LOCAL_MODULE:= init
 
 LOCAL_FORCE_STATIC_EXECUTABLE := true
@@ -42,6 +45,8 @@
 	libmincrypt \
 	libext4_utils_static
 
+LOCAL_ADDITIONAL_DEPENDENCIES += $(LOCAL_PATH)/Android.mk
+
 include $(BUILD_EXECUTABLE)
 
 # Make a symlink from /sbin/ueventd and /sbin/watchdogd to /init