Revert "bootstat: Refactor init/utils/boot_clock into base/chrono_utils."

This reverts commit 7c92e484503f239000ef97ef5b067907fbeaa4a6.

Mac sdk still broken (despite testing locally).

Change-Id: I7d9206e15997cd0efe081bd3fa17d53d2b20ec32
diff --git a/init/service.h b/init/service.h
index 3dc0e53..013e65f 100644
--- a/init/service.h
+++ b/init/service.h
@@ -25,8 +25,6 @@
 #include <string>
 #include <vector>
 
-#include <android-base/chrono_utils.h>
-
 #include "action.h"
 #include "capabilities.h"
 #include "descriptors.h"
@@ -137,8 +135,8 @@
 
     unsigned flags_;
     pid_t pid_;
-    android::base::boot_clock::time_point time_started_; // time of last start
-    android::base::boot_clock::time_point time_crashed_; // first crash within inspection window
+    boot_clock::time_point time_started_; // time of last start
+    boot_clock::time_point time_crashed_; // first crash within inspection window
     int crash_count_;                     // number of times crashed within window
 
     uid_t uid_;