Move screenshot test module to kmp (android only)

core/screenshot-testing/build.gradle.kts

@@ -14,20 +14,23 @@
  * limitations under the License.
  */
 plugins {
-    alias(libs.plugins.nowinandroid.android.library)
+    alias(libs.plugins.nowinandroid.kmp.library)
     alias(libs.plugins.nowinandroid.android.library.compose)
-    alias(libs.plugins.nowinandroid.hilt)
 }
 
 android {
     namespace = "com.google.samples.apps.nowinandroid.core.screenshottesting"
 }
 
-dependencies {
-    api(libs.bundles.androidx.compose.ui.test)
-    api(libs.roborazzi)
-    implementation(libs.androidx.compose.ui.test)
-    implementation(libs.androidx.activity.compose)
-    implementation(libs.robolectric)
-    implementation(projects.core.designsystem)
+kotlin {
+    sourceSets {
+        androidMain.dependencies {
+            api(libs.bundles.androidx.compose.ui.test)
+            api(libs.roborazzi)
+            implementation(libs.androidx.compose.ui.test)
+            implementation(libs.androidx.activity.compose)
+            implementation(libs.robolectric)
+            implementation(projects.core.designsystem)
+        }
+    }
 }