Add -repackageclasses to R8 configuration

app/build.gradle.kts

@@ -45,7 +45,8 @@ android {
         release {
             isMinifyEnabled = true
             applicationIdSuffix = NiaBuildType.RELEASE.applicationIdSuffix
-            proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"))
+            proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"),
+                          "proguard-rules.pro")
 
             // To publish on the Play store a private signing key is required, but to allow anyone
             // who clones the code to sign and run the release variant, use the debug signing key.

app/proguard-rules.pro

@@ -0,0 +1,2 @@
+# Repackage classes into the default package to reduce the size of descriptors.
+-repackageclasses