fastbootd: relink for startup

Change-Id: Ica7dfbfd46c06618240fb06fce9c4b31103ec506
diff --git a/prebuilt/Android.mk b/prebuilt/Android.mk
index c1f1fbe..b81c32b 100755
--- a/prebuilt/Android.mk
+++ b/prebuilt/Android.mk
@@ -60,10 +60,11 @@
 RELINK_SOURCE_FILES += $(TARGET_RECOVERY_ROOT_OUT)/sbin/fatlabel
 RELINK_SOURCE_FILES += $(TARGET_RECOVERY_ROOT_OUT)/sbin/mkfs.fat
 ifeq ($(shell test $(PLATFORM_SDK_VERSION) -ge 27; echo $$?),0)
-    ifeq ($(shell test $(PLATFORM_SDK_VERSION) -le 29; echo $$?),0)
+    ifeq ($(shell test $(PLATFORM_SDK_VERSION) -le 28; echo $$?),0)
         RELINK_SOURCE_FILES += $(TARGET_OUT_EXECUTABLES)/adbd
     else
         RELINK_SOURCE_FILES += $(TARGET_RECOVERY_ROOT_OUT)/system/bin/adbd
+        RELINK_SOURCE_FILES += $(TARGET_RECOVERY_ROOT_OUT)/system/bin/fastbootd
     endif
 endif
 RELINK_SOURCE_FILES += $(TARGET_OUT_EXECUTABLES)/e2fsck