bootstat: Hook up bootstat to record the boot complete signal and log
boot events in the LOCAL_INIT_RC file, bootstat.rc.

This change also creates the /data/misc/bootstat dir during the
filesystem creation block in init.rc.

Bug: 21724738
Change-Id: I2ad6913c0235d5f926c6ef8b3c65d650159c6ed7
diff --git a/bootstat/Android.mk b/bootstat/Android.mk
index 348db88..198866c 100644
--- a/bootstat/Android.mk
+++ b/bootstat/Android.mk
@@ -104,6 +104,7 @@
 LOCAL_C_INCLUDES := $(bootstat_c_includes)
 LOCAL_SHARED_LIBRARIES := $(bootstat_shared_libs)
 LOCAL_STATIC_LIBRARIES := libbootstat
+LOCAL_INIT_RC := bootstat.rc
 LOCAL_SRC_FILES := $(bootstat_src_files)
 
 include $(BUILD_EXECUTABLE)