libfscrypt: Use <linux/fscrypt.h> from Bionic
aosp/1184798 has updated the kernel headers to android-mainline, so we
no longer need to manually declare the declarations for v2 policies, nor
do we need to manually declare FSCRYPT_POLICY_FLAG_IV_INO_LBLK_64.
Also replace the FS_* constants with their new FSCRYPT_* names. This
doesn't change the numerical values; it just changes the names.
Test: build and 'atest libfscrypt_unit_test'
Bug: None
Change-Id: I03ce177923bfa9e0fecbbdbf1718fbf1c17176d9
3 files changed