Revert "keystore2: cope with new curve25519 enum"

Revert "Advertise support of KeyMint V2"

Revert submission 1900930-version-bump

Reason for revert: Broken build on sc-qpr1-dev-plus-aosp, b/210450339
Reverted Changes:
I42a9b854f:keystore2: cope with new curve25519 enum
I167d568d6:Bump keystore2 AIDL API version 1->2
I3a16d072e:Advertise support of KeyMint V2
Ibf2325329:KeyMint HAL: add curve 25519, bump version

Change-Id: I7db3a5941e86d4e85b1e74a595137c798079f646
3 files changed