Move adb_keys to product partition

/adb_keys will be moved to /product/etc/security as it's a
product-specific file. To prevent regression, /adb_keys will be a
symlink to the new location.

Bug: 353430323
Test: boot and connect adb with ADB_VENDOR_KEYS
Change-Id: Ieee2974925df4b3797483c96b78a0d2a2aa9a57d

target/product/base_product.mk

@@ -26,3 +26,7 @@ PRODUCT_PACKAGES += \
     product_manifest.xml \
     selinux_policy_product \
     product-build.prop \
+
+# Packages included only for eng or userdebug builds, previously debug tagged
+PRODUCT_PACKAGES_DEBUG += \
+    adb_keys \

target/product/base_system.mk

@@ -466,7 +466,6 @@ PRODUCT_PACKAGES += \
 
 # Packages included only for eng or userdebug builds, previously debug tagged
 PRODUCT_PACKAGES_DEBUG := \
-    adb_keys \
     adevice_fingerprint \
     arping \
     dmuserd \

target/product/security/Android.mk

@@ -10,7 +10,7 @@ ifdef PRODUCT_ADB_KEYS
     LOCAL_LICENSE_CONDITIONS := notice
     LOCAL_NOTICE_FILE := build/soong/licenses/LICENSE
     LOCAL_MODULE_CLASS := ETC
-    LOCAL_MODULE_PATH := $(TARGET_ROOT_OUT)
+    LOCAL_MODULE_PATH := $(TARGET_OUT_PRODUCT_ETC)/security
     LOCAL_PREBUILT_MODULE_FILE := $(PRODUCT_ADB_KEYS)
     include $(BUILD_PREBUILT)
   endif