EN: Occasional crash with IllegalStateException: Tried to open writable database from secondary instance

[cgrigis]

While running SwissCovid with microG as a library on a stock LineageOS device (see #1179), the application occasionally crashes with the following exception:

IllegalStateException: Tried to open writable database from secondary instance

Not sure yet whether it comes from the app or microG, opening an issue in case someone else has seen this as well.

[cgrigis]

Stack trace:

2020-09-29 19:31:22.448 21743-21743/ch.admin.bag.dp3t.dev E/AndroidRuntime: FATAL EXCEPTION: main
    Process: ch.admin.bag.dp3t.dev, PID: 21743
    java.lang.IllegalStateException: Tried to open writable database from secondary instance
        at org.microg.gms.nearby.exposurenotification.ExposureDatabase.getWritableDatabase(ExposureDatabase.kt:535)
        at org.microg.gms.nearby.exposurenotification.ExposureDatabase.noteAdvertisement(ExposureDatabase.kt:111)
        at org.microg.gms.nearby.exposurenotification.ExposureDatabase.noteAdvertisement$default(ExposureDatabase.kt:111)
        at org.microg.gms.nearby.exposurenotification.ScannerService.onScanResult(ScannerService.kt:78)
        at org.microg.gms.nearby.exposurenotification.ScannerService$callback$1.onScanResult(ScannerService.kt:35)
        at android.bluetooth.le.BluetoothLeScanner$BleScanCallbackWrapper$1.run(BluetoothLeScanner.java:498)
        at android.os.Handler.handleCallback(Handler.java:883)
        at android.os.Handler.dispatchMessage(Handler.java:100)
        at android.os.Looper.loop(Looper.java:214)
        at android.app.ActivityThread.main(ActivityThread.java:7356)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:491)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:940)