Upgrade build to support shared multiplatform Kotlin libs (#2181)

* Upgrade Gradle wrapper to 8.5

* Upgrade Kotlin and Hilt

* Upgrade build plugin

* Fix kt 1.9 deprecations

* Upgrade Room

* Workaround Kotlin + Hilt 1.9

* Required upgrade of androidCompileSdk

* Add comment

* Remove broken clean task

* Fix build file syntax

* Move shared Gradle var up one level

build.gradle

@@ -18,9 +18,11 @@
 
 buildscript {
     ext {
-        hiltVersion = "2.45"
-        kotlinVersion = "1.8.10"
+        // As of Gradle 8.5, Kotlin plugin only tested up to 1.9.20.
+        kotlinVersion = "1.9.20"
+        hiltVersion = "2.50"
         navigationVersion = "2.5.3"
+        roomVersion = "2.6.1"
     }
     repositories {
         google()
@@ -33,7 +35,7 @@ buildscript {
     }
     dependencies {
         classpath "androidx.navigation:navigation-safe-args-gradle-plugin:$navigationVersion"
-        classpath 'com.android.tools.build:gradle:8.1.0'
+        classpath 'com.android.tools.build:gradle:8.2.0'
         classpath 'com.google.gms:google-services:4.3.15'
         classpath "com.pascalwelsch.gitversioner:gitversioner:0.5.0"
 
@@ -99,9 +101,7 @@ task checkCode(type: GradleBuild) {
     tasks = ['checkstyle', 'lintLocalDebug', 'ktfmtCheck', 'detekt']
 }
 
-task clean(type: Delete) {
-    delete rootProject.buildDir
-}
+// TODO(#2183): Add task to remove files in `build` on clean.
 
 // https://github.com/passsy/gradle-gitVersioner-plugin
 apply plugin: "com.pascalwelsch.gitversioner"
@@ -133,7 +133,7 @@ tasks.dependencyUpdates {
 }
 
 ext {
-    androidCompileSdk = 33
+    androidCompileSdk = 34
     androidMinSdk = 24
     androidTargetSdk = 30
 

gradle/wrapper/gradle-wrapper.properties

@@ -1,8 +1,7 @@
-#Wed Jun 17 16:29:45 BST 2020
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.5-bin.zip
+networkTimeout=10000
+validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-# "To use Gradle toolchain support, use the Android Gradle plugin (AGP) version 8.1.0-alpha09 or higher."
-# https://kotlinlang.org/docs/gradle-configure-project.html#gradle-java-toolchains-support
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.2.1-bin.zip