Revert "Remove abandoned implementation."

Revert submission 3242160-remove-messaging-package

Reason for revert: Droidmonitor created revert due to b/364617310, b/364626927, b/364617560

Reverted changes: /q/submissionid:3241481-remove-messaging-package

This reverts commit 93b5e63726.

Change-Id: I182cbf1758988d9a4950d39354266a5fb3aaabce

Android.bp

@@ -0,0 +1,104 @@
+//  Copyright (C) 2015 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.
+
+package {
+    // See: http://go/android-license-faq
+    default_applicable_licenses: [
+        "Android-Apache-2.0",
+    ],
+}
+
+soong_config_module_type {
+    name: "messaging_java_defaults",
+    module_type: "java_defaults",
+    config_namespace: "messaging",
+    bool_variables: ["build_variant_eng"],
+    properties: ["optimize"],
+}
+
+messaging_java_defaults {
+    name: "messaging_defaults",
+    soong_config_variables: {
+        build_variant_eng: {
+            optimize: {
+                proguard_flags_files: [
+                    "proguard.flags",
+                    "proguard-test.flags",
+                ],
+            },
+            conditions_default: {
+                optimize: {
+                    proguard_flags_files: [
+                        "proguard.flags",
+                        "proguard-release.flags",
+                    ],
+                }
+            },
+        },
+    },
+}
+
+
+android_app {
+    name: "messaging",
+
+    srcs: ["src/**/*.java"],
+
+    defaults: ["messaging_defaults"],
+
+    static_libs: [
+        "androidx.appcompat_appcompat",
+        "androidx.collection_collection",
+        "androidx.core_core",
+        "androidx.fragment_fragment",
+        "androidx.media_media",
+        "androidx.legacy_legacy-support-core-utils",
+        "androidx.legacy_legacy-support-core-ui",
+        "androidx.palette_palette",
+        "androidx.recyclerview_recyclerview",
+        "androidx.viewpager_viewpager",
+        "androidx.legacy_legacy-support-v13",
+        "colorpicker",
+        "libchips",
+        "libphotoviewer",
+        "androidx.annotation_annotation",
+        "android-common",
+        "android-common-framesequence",
+        "com.android.vcard",
+        "guava",
+        "libphonenumber",
+    ],
+
+    aaptflags: [
+        "--version-name",
+        "1.0.001",
+        "--version-code",
+        "10001040",
+    ],
+    required: [
+        "libframesequence",
+        "libgiftranscode",
+    ],
+    optimize: {
+        obfuscate: true,
+        optimize: true,
+        enabled: true,
+    },
+
+    certificate: "platform",
+
+    sdk_version: "current",
+
+    product_specific: true,
+}