Add template for generating tangorpro vendor blobs

Also add template for factory image

TEST:generated blobs from artifacts. Flashed device

BUG: 246437989
Change-Id: Ie80f389ec1407968e004be9ce3ceb0e6bf063b21

factory-images/generate-factory-images-package.sh

@@ -0,0 +1,24 @@
+#!/bin/sh
+
+# Copyright 2023 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+source ../../../common/clear-factory-images-variables.sh
+BUILD=9452078
+DEVICE=tangorpro
+PRODUCT=tangorpro
+VERSION=td2a.230104.001
+SRCPREFIX=signed-
+BOOTLOADER=tangorpro-1.0-9434949
+source ../../../common/generate-factory-images-common.sh