Crash in BraveVpnPreferences

[SergeyZhukovsky]

I found that crash in backtrace on stable 1.51.121 channel:

java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.res.Resources android.content.Context.getResources()' on a null object reference
        at org.chromium.chrome.browser.settings.BraveVpnPreferences.updateSummaries(BraveVpnPreferences.java:289)
        at org.chromium.chrome.browser.settings.BraveVpnPreferences$$ExternalSyntheticLambda3.run(R8$$SyntheticClass:156)
        at android.os.Handler.handleCallback(Handler.java:938)
        at android.os.Handler.dispatchMessage(Handler.java:99)
        at android.os.Looper.loopOnce(Looper.java:226)
        at android.os.Looper.loop(Looper.java:313)
        at android.app.ActivityThread.main(ActivityThread.java:8663)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:567)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1135)