libfscrypt: Add == and != operators for EncryptionPolicy/Options

Test: atest libfscrypt_unit_test
Bug: 143970043
Change-Id: Ibb8ee68513d4f04c1a64773768cc5ded9f7425ca
Merged-In: Ibb8ee68513d4f04c1a64773768cc5ded9f7425ca
(cherry picked from commit e6e61f778c409b08b2799c5281b5db74325bc801)
3 files changed