[Android] Add a log for when subtitles download fails

[Nicolas Pomepuy]

vlc-android | branch: master | Nicolas Pomepuy <nicolas at videolabs.io> | Fri Aug  7 10:21:22 2020 +0200| [1f4be6f9857afb98ffcb4f59bb271feb4b863b3d] | committer: Nicolas Pomepuy

Add a log for when subtitles download fails

> https://code.videolan.org/videolan/vlc-android/commit/1f4be6f9857afb98ffcb4f59bb271feb4b863b3d
---

 .../vlc-android/src/org/videolan/vlc/viewmodels/SubtitlesModel.kt       | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/application/vlc-android/src/org/videolan/vlc/viewmodels/SubtitlesModel.kt b/application/vlc-android/src/org/videolan/vlc/viewmodels/SubtitlesModel.kt
index 712f559c9..c7bddd1e7 100644
--- a/application/vlc-android/src/org/videolan/vlc/viewmodels/SubtitlesModel.kt
+++ b/application/vlc-android/src/org/videolan/vlc/viewmodels/SubtitlesModel.kt
@@ -5,6 +5,7 @@ import android.net.Uri
 import android.text.Html
 import android.text.SpannableString
 import android.text.Spanned
+import android.util.Log
 import androidx.core.text.HtmlCompat
 import androidx.core.text.toSpanned
 import androidx.databinding.Observable
@@ -163,6 +164,7 @@ class SubtitlesModel(private val context: Context, private val mediaUri: Uri, va
                 if (isActive) apiResultLiveData.postValue(subs)
                 if (subs.isEmpty()) observableMessage.set(context.getString(R.string.no_result))
             } catch (e: Exception) {
+                Log.e("SubtitlesModel", e.message, e)
                 if (e is NoConnectivityException)
                     observableMessage.set(context.getString(R.string.no_internet_connection))
                 else