Add Fairphone 4 overlay for eUICC slot

Fairphone/FP4/Android.mk

@@ -0,0 +1,8 @@
+LOCAL_PATH := $(call my-dir)
+include $(CLEAR_VARS)
+LOCAL_MODULE_TAGS := optional
+LOCAL_PACKAGE_NAME := treble-overlay-fairphone-fp4
+LOCAL_MODULE_PATH := $(TARGET_OUT_PRODUCT)/overlay
+LOCAL_IS_RUNTIME_RESOURCE_OVERLAY := true
+LOCAL_PRIVATE_PLATFORM_APIS := true
+include $(BUILD_PACKAGE)

Fairphone/FP4/AndroidManifest.xml

@@ -0,0 +1,10 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+        package="me.phh.treble.overlay.fairphone.fp4"
+        android:versionCode="1"
+        android:versionName="1.0">
+        <overlay android:targetPackage="android"
+                android:requiredSystemPropertyName="ro.vendor.build.fingerprint"
+                android:requiredSystemPropertyValue="+Fairphone/FP4*"
+                android:priority="1871"
+                android:isStatic="true" />
+</manifest>

Fairphone/FP4/res/values/arrays.xml

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+** Copyright 2020, The LineageOS 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.
+*/
+-->
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+    <!-- Device-specific array of SIM slot indexes which are are embedded eUICCs.
+         e.g. If a device has two physical slots with indexes 0, 1, and slot 1 is an
+         eUICC, then the value of this array should be:
+             <integer-array name="non_removable_euicc_slots">
+                 <item>1</item>
+             </integer-array>
+         If a device has three physical slots and slot 1 and 2 are eUICCs, then the value of
+         this array should be:
+             <integer-array name="non_removable_euicc_slots">
+                <item>1</item>
+                <item>2</item>
+             </integer-array>
+         This is used to differentiate between removable eUICCs and built in eUICCs, and should
+         be set by OEMs for devices which use eUICCs. -->
+    <integer-array name="non_removable_euicc_slots">
+        <item>1</item>
+    </integer-array>
+</resources>

overlay.mk

@@ -18,6 +18,7 @@ PRODUCT_PACKAGES += \
 	treble-overlay-duoqin-qin2pro \
 	treble-overlay-essential-ph_1 \
 	treble-overlay-fairphone-fp3 \
+	treble-overlay-fairphone-fp4 \
 	treble-overlay-gestures \
 	treble-overlay-google-sunfish \
 	treble-overlay-highpriomisc \