Fix sdk-addon build on build servers

they don't source envsetup.sh

Bug: 65286453
Test: m -j OUT_DIR=/tmp/abs PRODUCT-sdk_gphone_x86-sdk_addon /tmp/abs/host/linux-x86/sdk_addon/google_phone_x86-eng.$(whoami)-linux-x86.zip

Change-Id: Id396203b500e70cfa2b1e1eb5241d88fae88fc36
diff --git a/core/tasks/sdk-addon.mk b/core/tasks/sdk-addon.mk
index 2725f95..197d41a 100644
--- a/core/tasks/sdk-addon.mk
+++ b/core/tasks/sdk-addon.mk
@@ -105,21 +105,21 @@
 
 $(full_target): PRIVATE_STAGING_DIR := $(call append-path,$(staging),$(addon_dir_leaf))
 
-$(full_target): $(sdk_addon_deps) | $(ACP)
+$(full_target): $(sdk_addon_deps) | $(ACP) $(SOONG_ZIP)
 	@echo Packaging SDK Addon: $@
 	$(hide) mkdir -p $(PRIVATE_STAGING_DIR)/docs
 	$(hide) for d in $(PRIVATE_DOCS_DIRS); do \
 	    $(ACP) -r $$d $(PRIVATE_STAGING_DIR)/docs ;\
 	  done
 	$(hide) mkdir -p $(dir $@)
-	$(hide) soong_zip -o $@ -C $(dir $(PRIVATE_STAGING_DIR)) -D $(PRIVATE_STAGING_DIR)
+	$(hide) $(SOONG_ZIP) -o $@ -C $(dir $(PRIVATE_STAGING_DIR)) -D $(PRIVATE_STAGING_DIR)
 
 $(full_target_img): PRIVATE_STAGING_DIR := $(call append-path,$(staging),$(addon_dir_img))/images/$(TARGET_CPU_ABI)
-$(full_target_img): $(full_target) $(addon_img_source_prop) | $(ACP)
+$(full_target_img): $(full_target) $(addon_img_source_prop) | $(ACP) $(SOONG_ZIP)
 	@echo Packaging SDK Addon System-Image: $@
 	$(hide) mkdir -p $(dir $@)
 	$(ACP) -r $(PRODUCT_OUT)/data $(PRIVATE_STAGING_DIR)/data
-	$(hide) soong_zip -o $@ -C $(dir $(PRIVATE_STAGING_DIR)) -D $(PRIVATE_STAGING_DIR)
+	$(hide) $(SOONG_ZIP) -o $@ -C $(dir $(PRIVATE_STAGING_DIR)) -D $(PRIVATE_STAGING_DIR)
 
 
 .PHONY: sdk_addon