Bug 1882134 - Use jvmToolchain for setting target JVM version

app/build.gradle

@@ -219,11 +219,6 @@ android {
         }
     }
 
-    compileOptions {
-        sourceCompatibility JavaVersion.VERSION_17
-        targetCompatibility JavaVersion.VERSION_17
-    }
-
     bundle {
         // Profiler issues require us to temporarily package native code compressed to
         // match the previous APK packaging.

benchmark/build.gradle

@@ -13,15 +13,6 @@ android {
     namespace 'org.mozilla.fenix.benchmark'
     compileSdk config.compileSdkVersion
 
-    compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_17
-        targetCompatibility = JavaVersion.VERSION_17
-    }
-
-    kotlinOptions {
-        jvmTarget = "17"
-    }
-
     defaultConfig {
         minSdk 23
         targetSdk config.targetSdkVersion

build.gradle

@@ -170,7 +170,6 @@ allprojects {
     }
 
     tasks.withType(KotlinCompile).configureEach {
-        kotlinOptions.jvmTarget = "17"
         kotlinOptions.allWarningsAsErrors = true
         kotlinOptions.freeCompilerArgs += [
             "-opt-in=kotlin.RequiresOptIn", "-Xjvm-default=all-compatibility"
@@ -180,13 +179,8 @@ allprojects {
 
 subprojects {
     afterEvaluate {
-        if (it.hasProperty('android')) {
+        kotlin {
-            android {
+            jvmToolchain(config.jvmTargetCompatibility)
-                compileOptions {
-                    sourceCompatibility JavaVersion.VERSION_17
-                    targetCompatibility JavaVersion.VERSION_17
-                }
-            }
         }
     }
 }

mozilla-lint-rules/build.gradle

@@ -5,9 +5,6 @@
 apply plugin: 'java-library'
 apply plugin: 'kotlin'
 
-targetCompatibility = JavaVersion.VERSION_17
-sourceCompatibility = JavaVersion.VERSION_17
-
 repositories {
     if (project.hasProperty("centralRepo")) {
         maven {