Disabled some password-related APIs on automotive.

The APIs are deprecated (in favor of setRequiredPasswordComplexity())
and some automotive OEMs might not even provide the option to
set passwords (just PINs and patterns).

Fixes: 204252236

Test: atest CtsDevicePolicyTestCases:android.devicepolicy.cts.DeprecatedPasswordAPIsTest # on automotive and phone

Change-Id: I6272bdd0e893f6fd8f1d126d384d1b332e61bac2