Adding fastboot-info to target-files

Added so img_from_target_files can read and add fastboot-info.txt to
updatepackage

Test: m target-files-package
Bug: 194686221
Change-Id: Ia42d7174ef8a4119774057fa7c33f9a409e7ec30
diff --git a/core/Makefile b/core/Makefile
index 036647d..1d5bb66 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -5903,6 +5903,7 @@
 	    $(LPMAKE) \
 	    $(SELINUX_FC) \
 	    $(INSTALLED_MISC_INFO_TARGET) \
+	    $(INSTALLED_FASTBOOT_INFO_TARGET) \
 	    $(APKCERTS_FILE) \
 	    $(SOONG_APEX_KEYS_FILE) \
 	    $(SOONG_ZIP) \
@@ -6121,6 +6122,9 @@
 	$(hide) echo "$(PRODUCT_OTA_PUBLIC_KEYS)" > $(zip_root)/META/otakeys.txt
 	$(hide) cp $(SELINUX_FC) $(zip_root)/META/file_contexts.bin
 	$(hide) cp $(INSTALLED_MISC_INFO_TARGET) $(zip_root)/META/misc_info.txt
+ifneq ($(INSTALLED_FASTBOOT_INFO_TARGET),)
+	$(hide) cp $(INSTALLED_FASTBOOT_INFO_TARGET) $(zip_root)/META/fastboot-info.txt
+endif
 ifneq ($(PRODUCT_SYSTEM_BASE_FS_PATH),)
 	$(hide) cp $(PRODUCT_SYSTEM_BASE_FS_PATH) \
 	  $(zip_root)/META/$(notdir $(PRODUCT_SYSTEM_BASE_FS_PATH))