fix(build): temporarily downgrade AGP to stable track

Fixes #2820

build-logic/build.gradle.kts

@@ -5,7 +5,7 @@
 
 plugins { `kotlin-dsl` }
 
-kotlin.jvmToolchain(20)
+kotlin.jvmToolchain(17)
 
 gradlePlugin {
   plugins {

build-logic/src/main/kotlin/app/passwordstore/gradle/flavors/SlimTests.kt

@@ -25,7 +25,7 @@ internal fun Project.configureSlimTests() {
     extensions.findByType<LibraryAndroidComponentsExtension>()?.run {
       beforeVariants(selector().withBuildType(BUILD_TYPE_RELEASE)) {
         (it as HasUnitTestBuilder).enableUnitTest = false
-        it.androidTest.enable = false
+        it.enableAndroidTest = true
       }
     }
 
@@ -37,7 +37,7 @@ internal fun Project.configureSlimTests() {
       }
       beforeVariants(selector().withFlavor(FlavorDimensions.FREE to ProductFlavors.NON_FREE)) {
         (it as HasUnitTestBuilder).enableUnitTest = false
-        it.androidTest.enable = false
+        it.enableAndroidTest = true
       }
     }
   }

gradle/libs.versions.toml

@@ -1,5 +1,7 @@
 [versions]
-agp = "8.3.0-alpha16"
+# Not using alpha track due to installRelease regression
+# https://issuetracker.google.com/issues/315337463
+agp = "8.2.0"
 androidxActivity = "1.8.2"
 bouncycastle = "1.77"
 moshi = "1.15.0"