Remove unneccessary safe call for reflection field.

* getDeclaredField either returns the field, or throws, so this value
  cannot ever possibly be null, so the ?. safe access is unneccessary.

Bug: b/401976978
Test: presubmits / build
Flag: EXEMPT bug_fix
Change-Id: I4962a63b10362a0692f5424b230bc770638d987e
1 file changed