Fix buildSrc dependencies and androidX usages

app/build.gradle

@@ -26,6 +26,11 @@ android {
         arm { dimension "abi" }
         x86 { dimension "abi" }
     }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
 }
 
 android.applicationVariants.all { variant ->

app/src/main/java/org/mozilla/fenix/HomeActivity.kt

@@ -1,7 +1,7 @@
 package org.mozilla.fenix
 
-import android.support.v7.app.AppCompatActivity
 import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
 
 class HomeActivity : AppCompatActivity() {
 

build.gradle

@@ -1,14 +1,13 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    ext.kotlin_version = '1.2.71'
     repositories {
         google()
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.2.1'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+        classpath Deps.tools_androidgradle
+        classpath Deps.tools_kotlingradle
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -18,10 +17,13 @@ buildscript {
 allprojects {
     repositories {
         google()
+        maven {
+            url "https://maven.mozilla.org/maven2"
+        }
         jcenter()
     }
 }
 
 task clean(type: Delete) {
     delete rootProject.buildDir
-}
+}

buildSrc/build.gradle.kts

@@ -0,0 +1,11 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+plugins {
+    `kotlin-dsl`
+}
+
+repositories {
+    jcenter()
+}

buildSrc/src/main/java/Dependencies.kt

@@ -1,25 +1,31 @@
-object Versions {
-    const val kotlin = "1.3.10"
-    const val coroutines = "1.0.1"
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+private object Versions {
+    const val kotlin = "1.3.11"
+    const val android_gradle_plugin = "3.2.1"
     const val geckoNightly = "66.0.20181217093726"
 
     const val androidx_appcompat = "1.0.2"
-    const val androidx_constraintlayout = "1.1.3"
+    const val androidx_constraint_layout = "1.1.3"
 
     const val junit = "4.12"
     const val test_tools = "1.0.2"
     const val espresso_core = "2.2.2"
 }
 
+@Suppress("unused")
 object Deps {
+    const val tools_androidgradle = "com.android.tools.build:gradle:${Versions.android_gradle_plugin}"
+    const val tools_kotlingradle = "org.jetbrains.kotlin:kotlin-gradle-plugin:${Versions.kotlin}"
     const val kotlin_stdlib = "org.jetbrains.kotlin:kotlin-stdlib-jdk7:${Versions.kotlin}"
-    const val kotlin_coroutines = "org.jetbrains.kotlinx:kotlinx-coroutines-android:${Versions.coroutines}"
 
     const val geckoview_nightly_arm = "org.mozilla.geckoview:geckoview-nightly-armeabi-v7a:${Versions.geckoNightly}"
     const val geckoview_nightly_x86 = "org.mozilla.geckoview:geckoview-nightly-x86:${Versions.geckoNightly}"
 
     const val androidx_appcompat = "androidx.appcompat:appcompat:${Versions.androidx_appcompat}"
-    const val androidx_constraintlayout = "androidx.constraintlayout:constraintlayout:${Versions.androidx_constraintlayout}"
+    const val androidx_constraintlayout = "androidx.constraintlayout:constraintlayout:${Versions.androidx_constraint_layout}"
 
     const val junit = "junit:junit:${Versions.junit}"
     const val tools_test_runner = "com.android.support.test:runner:${Versions.test_tools}"

gradle.properties

@@ -13,3 +13,5 @@ org.gradle.jvmargs=-Xmx1536m
 # org.gradle.parallel=true
 # Kotlin code style for this project: "official" or "obsolete":
 kotlin.code.style=official
+android.useAndroidX=true
+android.enableJetifier=true