Generate installed-files-vendor.txt

Similar to installed-files.txt, installed-files-vendor.txt lists the
content of vendor.img.

Bug: 24009297
Change-Id: Ib8112b19cc9f54d0c0d6a829063e4fe72d8ce664
diff --git a/core/main.mk b/core/main.mk
index def86f5..e10f656 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -890,7 +890,8 @@
 	$(INSTALLED_USERDATAIMAGE_TARGET) \
 	$(INSTALLED_CACHEIMAGE_TARGET) \
 	$(INSTALLED_VENDORIMAGE_TARGET) \
-	$(INSTALLED_FILES_FILE)
+	$(INSTALLED_FILES_FILE) \
+	$(INSTALLED_FILES_FILE_VENDOR)
 
 # dist_files only for putting your library into the dist directory with a full build.
 .PHONY: dist_files
@@ -948,6 +949,7 @@
     $(BUILT_OTATOOLS_PACKAGE) \
     $(SYMBOLS_ZIP) \
     $(INSTALLED_FILES_FILE) \
+    $(INSTALLED_FILES_FILE_VENDOR) \
     $(INSTALLED_BUILD_PROP_TARGET) \
     $(BUILT_TARGET_FILES_PACKAGE) \
     $(INSTALLED_ANDROID_INFO_TXT_TARGET) \