Explicity mark {Native|Service}Installer as deprecated

* Both should be removed in near future to avoid maintainence burden

Signed-off-by: Aayush Gupta <aayushgupta219@gmail.com>

app/src/main/java/com/aurora/store/data/installer/NativeInstaller.kt

@@ -26,6 +26,7 @@ import android.os.Build
 import com.aurora.store.util.Log
 import java.io.File
 
+@Deprecated("Deprecated in favour of SessionInstaller")
 class NativeInstaller(context: Context) : InstallerBase(context) {
 
     override fun install(packageName: String, files: List<Any>) {

app/src/main/java/com/aurora/store/data/installer/ServiceInstaller.kt

@@ -46,6 +46,7 @@ import java.util.concurrent.ThreadPoolExecutor
 import java.util.concurrent.TimeUnit
 import java.util.concurrent.atomic.AtomicBoolean
 
+@Deprecated("Deprecated in favour of RootInstaller")
 class ServiceInstaller(context: Context) : InstallerBase(context) {
 
     private lateinit var serviceConnection: ServiceConnection