adb: replace reboot service with exec of /system/bin/reboot.

Test: adb reboot
Test: adb reboot fastboot
Change-Id: Ia4146dde7ef3ae00a782dbe68aff166d63eabdb9
diff --git a/adb/Android.bp b/adb/Android.bp
index d79a97f..d14fe56 100644
--- a/adb/Android.bp
+++ b/adb/Android.bp
@@ -428,11 +428,9 @@
                 "daemon/abb_service.cpp",
                 "daemon/framebuffer_service.cpp",
                 "daemon/mdns.cpp",
-                "daemon/reboot_service.cpp",
                 "daemon/restart_service.cpp",
             ],
             shared_libs: [
-                "libbootloader_message",
                 "libmdnssd",
                 "libselinux",
             ],
@@ -511,6 +509,7 @@
     name: "adbd_system_binaries",
     required: [
         "abb",
+        "reboot",
         "set-verity-state",
     ]
 }
@@ -518,6 +517,7 @@
 phony {
     name: "adbd_system_binaries_recovery",
     required: [
+        "reboot.recovery",
     ],
 }
 
@@ -616,7 +616,6 @@
     static_libs: [
         "libadbd",
         "libbase",
-        "libbootloader_message",
         "libcutils",
         "libcrypto_utils",
         "libcrypto_static",