KeyHandler: Switch to blueprint

Signed-off-by: Daniel Jacob Chittoor <djchittoor47@gmail.com>
Change-Id: I7dc50b822bcb7bd0f95193bd96494ec879bd9017

KeyHandler/Android.bp

@@ -0,0 +1,13 @@
+android_app {
+    name: "KeyHandler",
+
+    srcs: ["src/**/*.java"],
+
+    certificate: "platform",
+    platform_apis: true,
+    system_ext_specific: true,
+
+    optimize: {
+        proguard_flags_files: ["proguard.flags"],
+    },
+}

KeyHandler/Android.mk

@@ -1,31 +0,0 @@
-#
-# Copyright (C) 2018 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.
-#
-
-LOCAL_PATH := $(call my-dir)
-
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES := $(call all-java-files-under, src)
-LOCAL_PACKAGE_NAME := KeyHandler
-
-LOCAL_CERTIFICATE := platform
-LOCAL_PRIVATE_PLATFORM_APIS := true
-LOCAL_PRIVILEGED_MODULE := true
-LOCAL_MODULE_TAGS := optional
-
-LOCAL_PROGUARD_ENABLED := disabled
-
-include $(BUILD_PACKAGE)

KeyHandler/proguard.flags

@@ -0,0 +1,3 @@
+-keep class org.lineageos.settings.device.* {
+  *;
+}