Add standard Android logging to aidl

This greatly helps understanding the code by enabling instrumenting
with debug logging statements.  To use:

ANDROID_LOG_TAGS=*:v aidl ....

Will cause the logging to log at the verbose level.  See base/logging.h
for more tricks.

Change-Id: I44ec26374419ca9d575f14b65c422444d17fcc66
Test: Ran the example command saw verbose logging.
diff --git a/Android.mk b/Android.mk
index e469806..2dc5acd 100644
--- a/Android.mk
+++ b/Android.mk
@@ -7,7 +7,7 @@
 
 LOCAL_PATH:= $(call my-dir)
 
-aidl_static_libraries := libbase
+aidl_static_libraries := libbase libcutils
 
 # Logic shared between aidl and its unittests
 include $(CLEAR_VARS)