Update init.rc prebuilt handling

This CL modifies the build system to skip checking of init.rc files if
TARGET_BUILD_UNBUNDLED is set.  This is necessary because several of the
artifacts required by the host_init_verifier program aren't present in
unbundled builds.

Test: m
Change-Id: I37be43af81057c5adddc1b80a04d74a090183bc7
diff --git a/core/definitions.mk b/core/definitions.mk
index 2951c05..7f2cc42 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -2544,8 +2544,12 @@
 # $(1): source file
 # $(2): destination file
 define copy-init-script-file-checked
+ifdef TARGET_BUILD_UNBUNDLED
+# TODO (b/185624993): Remove the chck on TARGET_BUILD_UNBUNDLED when host_init_verifier can run
+# without requiring the HIDL interface map.
+$(2): $(1)
+else ifneq ($(HOST_OS),darwin)
 # Host init verifier doesn't exist on darwin.
-ifneq ($(HOST_OS),darwin)
 $(2): \
 	$(1) \
 	$(HOST_INIT_VERIFIER) \