Rename vendor-ramdisk to vendor_ramdisk

Rename to get consistent ramdisk directory naming in
out/target/product/<name>:
  debug_ramdisk
  ramdisk
  vendor_debug_ramdisk
  vendor_ramdisk

Test: build and inspect out/target/product/<name>
Change-Id: I81d8f2cafe5e1b9024196cd74772b78d4a4aec58
diff --git a/CleanSpec.mk b/CleanSpec.mk
index 41defb2..3beadff 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -754,6 +754,8 @@
 # Workaround for Soong not being able to rebuild the host binary if its
 # JNI dependencies change: b/170389375
 $(call add-clean-step, rm -rf $(OUT_DIR)/soong/host/*/lib*/libconscrypt_openjdk_jni.so)
+# vendor-ramdisk renamed to vendor_ramdisk
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/vendor-ramdisk)
 
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
diff --git a/core/Makefile b/core/Makefile
index cb5e44c..ed9465d 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -1257,7 +1257,7 @@
 license_modules_rehomed += $(filter $(PRODUCT_OUT)/data/%,$(license_modules_rest))
 license_modules_rehomed += $(filter $(PRODUCT_OUT)/ramdisk/%,$(license_modules_rest))
 license_modules_rehomed += $(filter $(PRODUCT_OUT)/debug_ramdisk/%,$(license_modules_rest))
-license_modules_rehomed += $(filter $(PRODUCT_OUT)/vendor-ramdisk/%,$(license_modules_rest))
+license_modules_rehomed += $(filter $(PRODUCT_OUT)/vendor_ramdisk/%,$(license_modules_rest))
 license_modules_rehomed += $(filter $(PRODUCT_OUT)/persist/%,$(license_modules_rest))
 license_modules_rehomed += $(filter $(PRODUCT_OUT)/persist.img,$(license_modules_rest))
 license_modules_rehomed += $(filter $(PRODUCT_OUT)/system_other/%,$(license_modules_rest))
diff --git a/core/envsetup.mk b/core/envsetup.mk
index 33f4f25..8c25086 100644
--- a/core/envsetup.mk
+++ b/core/envsetup.mk
@@ -275,7 +275,7 @@
 _vendor_dlkm_path_placeholder := ||VENDOR_DLKM-PATH-PH||
 _odm_dlkm_path_placeholder := ||ODM_DLKM-PATH-PH||
 TARGET_COPY_OUT_VENDOR := $(_vendor_path_placeholder)
-TARGET_COPY_OUT_VENDOR_RAMDISK := vendor-ramdisk
+TARGET_COPY_OUT_VENDOR_RAMDISK := vendor_ramdisk
 TARGET_COPY_OUT_PRODUCT := $(_product_path_placeholder)
 # TODO(b/135957588) TARGET_COPY_OUT_PRODUCT_SERVICES will copy the target to
 # product