Public Autofill Id field in EditorInfo

CtsInputMethodTestCases test suit pass on ABTD, run link: https://android-build.corp.google.com/builds/abtd/run/L50900030007633534

Bug:b/342672560
Change-Id: I227e273c7b9b0200be8b147762928f9453583281
Flag: android.view.inputmethod.public_autofill_id_in_editorinfo
Test: atest CtsInputMethodTestCases