Add device tangorpro

based on two sources:
1. 52e030ecef8a2debcd0a7cebb0b2cddc50e8e4e6
(ChangeId: Ieba6a75fe45595592c61dc5ad4e0c723adccaf35)
2. 3164f3d31b1197f305d968027f2e6f18663f1382
(ChangeId: Ic517f1cd5462f3653de3742834ec251362e7849d)

No-Typo-Check: based on above commit

Bug: 220073297
Change-Id: I244f73dc8485045e1bc4605a2701a1e4d32139b0

AndroidProducts.mk

@@ -0,0 +1,22 @@
+#
+# Copyright (C) 2021 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.
+#
+
+PRODUCT_MAKEFILES := \
+    $(LOCAL_DIR)/aosp_tangorpro.mk \
+    $(LOCAL_DIR)/factory_tangorpro.mk
+
+COMMON_LUNCH_CHOICES := \
+    aosp_tangorpro-userdebug