Adding developer GSI keys

Bug: 144399552
Test: tree-hugger
Change-Id: I5012758b4f25bd0d14bca906358ecee0fa366a7b
diff --git a/device-common.mk b/device-common.mk
index 2a166ab..030e0a1 100644
--- a/device-common.mk
+++ b/device-common.mk
@@ -63,6 +63,8 @@
 # Installs gsi keys into ramdisk, to boot a GSI with verified boot.
 $(call inherit-product, $(SRC_TARGET_DIR)/product/gsi_keys.mk)
 
+# Installs gsi keys into ramdisk, to boot a developer GSI with verified boot.
+$(call inherit-product, $(SRC_TARGET_DIR)/product/developer_gsi_keys.mk)
 
 PRODUCT_CHARACTERISTICS := nosdcard
 PRODUCT_SHIPPING_API_LEVEL := 28