Added framework for logging

Startet on logging from the browser. This commit is just the tools
for logging, nothing is being logged yet.
diff --git a/Android.mk b/Android.mk
index 0e7279c..92fcb1c 100644
--- a/Android.mk
+++ b/Android.mk
@@ -5,7 +5,9 @@
 
 LOCAL_STATIC_JAVA_LIBRARIES := google-framework
 
-LOCAL_SRC_FILES := $(call all-subdir-java-files)
+LOCAL_SRC_FILES := \
+        $(call all-subdir-java-files) \
+        src/com/android/browser/EventLogTags.logtags
 
 LOCAL_PACKAGE_NAME := Browser