API modules do not need to setup dependency injection.

Move the implementation to the impl modules.

features/preferences/impl/build.gradle.kts

@@ -115,6 +115,7 @@ dependencies {
     testImplementation(projects.libraries.indicator.test)
     testImplementation(projects.libraries.pushproviders.test)
     testImplementation(projects.libraries.sessionStorage.test)
+    testImplementation(projects.services.appnavstate.impl)
     testImplementation(projects.services.analytics.test)
     testImplementation(projects.services.toolbox.test)
 }

features/preferences/impl/src/test/kotlin/io/element/android/features/preferences/impl/tasks/DefaultClearCacheUseCaseTest.kt

@@ -19,7 +19,7 @@ import io.element.android.libraries.matrix.test.A_SESSION_ID
 import io.element.android.libraries.matrix.test.FakeMatrixClient
 import io.element.android.libraries.matrix.test.room.FakeJoinedRoom
 import io.element.android.libraries.push.test.FakePushService
-import io.element.android.services.appnavstate.api.ActiveRoomsHolder
+import io.element.android.services.appnavstate.impl.DefaultActiveRoomsHolder
 import io.element.android.tests.testutils.lambda.lambdaRecorder
 import io.element.android.tests.testutils.lambda.value
 import io.element.android.tests.testutils.testCoroutineDispatchers
@@ -34,7 +34,7 @@ import org.robolectric.RobolectricTestRunner
 class DefaultClearCacheUseCaseTest {
     @Test
     fun `execute clear cache should do all the expected tasks`() = runTest {
-        val activeRoomsHolder = ActiveRoomsHolder().apply { addRoom(FakeJoinedRoom()) }
+        val activeRoomsHolder = DefaultActiveRoomsHolder().apply { addRoom(FakeJoinedRoom()) }
         val clearCacheLambda = lambdaRecorder<Unit> { }
         val matrixClient = FakeMatrixClient(
             sessionId = A_SESSION_ID,