Revert "logd: liblog: logcat: switch to android_log_clockid()"

This reverts commit 77b5696b1dea6f7afed89e113e479f4a131c14fc.

Change-Id: I7711bf1a7e3f72ed29a2498d7287b725a0e624bd
diff --git a/include/log/logger.h b/include/log/logger.h
index 03e8451..c795253 100644
--- a/include/log/logger.h
+++ b/include/log/logger.h
@@ -11,8 +11,6 @@
 #define _LIBS_LOG_LOGGER_H
 
 #include <stdint.h>
-#include <time.h>
-
 #include <log/log.h>
 #include <log/log_read.h>
 
@@ -185,7 +183,7 @@
                                              pid_t pid);
 #define android_logger_list_close android_logger_list_free
 
-clockid_t android_log_clockid();
+char android_log_timestamp();
 
 /*
  * log_id_t helpers