mat-autocomplete causes invalid aria-owns value

[ukrukarg]

Bug, feature request, or proposal:

Bug, invalid aria-owns value for mat-autocomplete.

What is the expected behavior?

aria-owns value should be correct.

What is the current behavior?

I got this while running Axe checks on a page using mat-autocomplete.

What are the steps to reproduce?

Key	Value
Snippet of HTML of the Element	<input class="mat-input-element mat-form-field-autofill-control cdk-text-field-autofill-monitored ng-untouched ng-pristine ng-valid" matinput="" autocomplete="off" role="combobox" aria-autocomplete="list" aria-expanded="false" aria-owns="mat-autocomplete-1" id="mat-input-1" aria-invalid="false" aria-required="false">
Impact	critical
Targets	#mat-input-1
FailureSummary	Fix all of the following: Invalid ARIA attribute value: aria-owns="mat-autocomplete-1"
CheckResult ID	aria-valid-attr-value
Impact	critical
Message	Invalid ARIA attribute value: aria-owns="mat-autocomplete-1"
Data	[aria-owns="mat-autocomplete-1"]

I'm a Googler and can help repro when asked.

[ukrukarg]

Internal bug: b/111752369

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