Crash in BraveAutofillBackgroundServiceImpl

[SergeyZhukovsky]

I found that crash in GPC on beta 1.66.90, I think it exist on stable channel as well, we need to fix and uplift it:

Exception java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.String.toLowerCase(java.util.Locale)' on a null object reference
  at org.chromium.chrome.browser.autofill.BraveAutofillBackgroundServiceImpl.getHint (BraveAutofillBackgroundServiceImpl.java:352)
  at org.chromium.chrome.browser.autofill.BraveAutofillBackgroundServiceImpl.addAutofillableFields (BraveAutofillBackgroundServiceImpl.java:332)
  at org.chromium.chrome.browser.autofill.BraveAutofillBackgroundServiceImpl.addAutofillableFields (BraveAutofillBackgroundServiceImpl.java:342)
  at org.chromium.chrome.browser.autofill.BraveAutofillBackgroundServiceImpl.addAutofillableFields (BraveAutofillBackgroundServiceImpl.java:342)
  at org.chromium.chrome.browser.autofill.BraveAutofillBackgroundServiceImpl.startsAutoFill (BraveAutofillBackgroundServiceImpl.java:122)
  at org.chromium.chrome.browser.autofill.BraveAutofillBackgroundServiceImpl$1.finishNativeInitialization (BraveAutofillBackgroundServiceImpl.java:86)
  at org.chromium.chrome.browser.init.BrowserParts.startNativeInitialization (BrowserParts.java:66)
  at org.chromium.chrome.browser.init.ChromeBrowserInitializer.lambda$handlePostNativeStartup$6 (ChromeBrowserInitializer.java:293)
  at org.chromium.base.task.ChainedTasks.lambda$start$0 (ChainedTasks.java:98)
  at org.chromium.base.task.PostTask.runOrPostTask (PostTask.java:114)
  at org.chromium.base.task.ChainedTasks.start (ChainedTasks.java:93)
  at org.chromium.chrome.browser.init.ChromeBrowserInitializer.handlePostNativeStartup (ChromeBrowserInitializer.java:332)
  at org.chromium.chrome.browser.autofill.BraveAutofillBackgroundServiceImpl.launchBrowser (BraveAutofillBackgroundServiceImpl.java:97)
  at org.chromium.chrome.browser.ChromeBackgroundServiceImpl.handleServicificationStartupTask (ChromeBackgroundServiceImpl.java:61)
  at org.chromium.chrome.browser.ChromeBackgroundServiceImpl.lambda$onRunTask$0 (ChromeBackgroundServiceImpl.java:48)
  at org.chromium.base.task.PostTask.runOrPostTask (PostTask.java:114)
  at org.chromium.chrome.browser.ChromeBackgroundServiceImpl.onRunTask (ChromeBackgroundServiceImpl.java:34)
  at org.chromium.chrome.browser.autofill.BraveAutofillService.onFillRequest (BraveAutofillService.java:30)
  at android.service.autofill.AutofillService$1$$ExternalSyntheticLambda4.accept
  at com.android.internal.util.function.pooled.PooledLambdaImpl.doInvoke (PooledLambdaImpl.java:310)
  at com.android.internal.util.function.pooled.PooledLambdaImpl.invoke (PooledLambdaImpl.java:204)
  at com.android.internal.util.function.pooled.OmniFunction.run (OmniFunction.java:97)
  at android.os.Handler.handleCallback (Handler.java:942)
  at android.os.Handler.dispatchMessage (Handler.java:99)
  at android.os.Looper.loopOnce (Looper.java:204)
  at android.os.Looper.loop (Looper.java:291)
  at android.app.ActivityThread.main (ActivityThread.java:8155)
  at java.lang.reflect.Method.invoke
  at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run (RuntimeInit.java:601)
  at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:1136)