Crash with 3.14.1 RC1 #7470

Looks like crash from #6905 is not fixed completely.

Error log:
`********** CAUSE OF ERROR **********
android.app.RemoteServiceException: Context.startForegroundService() did not then call Service.startForeground(): ServiceRecord{668249d u0 com.nextcloud.client/.media.PlayerService}
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2038)
at android.os.Handler.dispatchMessage(Handler.java:107)
at android.os.Looper.loop(Looper.java:214)
at android.app.ActivityThread.main(ActivityThread.java:7682)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:516)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:950)

********** APP INFORMATION **********
ID: com.nextcloud.client
Version: 30140151
Build flavor: gplay

********** DEVICE INFORMATION **********
Brand: OnePlus
Device: OnePlus6
Model: ONEPLUS A6003
Id: QKQ1.190716.003
Product: OnePlus6

********** FIRMWARE **********
SDK: 29
Release: 10
Incremental: 2010042216`