init: more header cleanup

Remove includes of "log.h" that really want <android-base/logging.h>
Fix header include order
Remove headers included in .cpp files that their associated .h already includes
Remove some unused headers

Test: boot bullhead
Change-Id: I2b415adfe86a5c8bbe4fb1ebc53c7b0ee2253824
diff --git a/init/service.cpp b/init/service.cpp
index e89de9a..8cb8dc1 100644
--- a/init/service.cpp
+++ b/init/service.cpp
@@ -25,27 +25,21 @@
 #include <sys/resource.h>
 #include <sys/stat.h>
 #include <sys/time.h>
-#include <sys/types.h>
 #include <sys/wait.h>
 #include <termios.h>
 #include <unistd.h>
 
-#include <selinux/selinux.h>
-
-#include <android-base/chrono_utils.h>
 #include <android-base/file.h>
+#include <android-base/logging.h>
 #include <android-base/parseint.h>
 #include <android-base/properties.h>
 #include <android-base/stringprintf.h>
 #include <android-base/strings.h>
+#include <processgroup/processgroup.h>
+#include <selinux/selinux.h>
 #include <system/thread_defs.h>
 
-#include <processgroup/processgroup.h>
-
-#include "action.h"
 #include "init.h"
-#include "init_parser.h"
-#include "log.h"
 #include "property_service.h"
 #include "util.h"