Replace Timber with Square Logcat and make logging configurable (#6062)

* Replace Timber with Square Logcat

* Configurable logger

app/src/main/java/eu/kanade/tachiyomi/ui/download/DownloadPresenter.kt

@@ -5,9 +5,10 @@ import eu.kanade.tachiyomi.data.download.DownloadManager
 import eu.kanade.tachiyomi.data.download.model.Download
 import eu.kanade.tachiyomi.data.download.model.DownloadQueue
 import eu.kanade.tachiyomi.ui.base.presenter.BasePresenter
+import eu.kanade.tachiyomi.util.system.logcat
+import logcat.LogPriority
 import rx.Observable
 import rx.android.schedulers.AndroidSchedulers
-import timber.log.Timber
 import uy.kohesive.injekt.injectLazy
 
 /**
@@ -30,7 +31,7 @@ class DownloadPresenter : BasePresenter<DownloadController>() {
             .observeOn(AndroidSchedulers.mainThread())
             .map { it.map(::DownloadItem) }
             .subscribeLatestCache(DownloadController::onNextDownloads) { _, error ->
-                Timber.e(error)
+                logcat(LogPriority.ERROR, error)
             }
     }