Revert "Keystore 2.0 SPI: Move keymint spec to security namespace."

Revert "Keystore 2.0: Move keymint spec to security namespace."

Revert "Keystore 2.0: Move keymint spec to security namespace."

Revert "Move keymint to android.hardware.security."

Revert "Configure CF to start KeyMint service by default."

Revert "Move keymint to android.hardware.security."

Revert "Move keymint to android.hardware.security."

Revert submission 1522123-move_keymint

Reason for revert: Build breakage
Bug: 175345910
Bug: 171429297
Reverted Changes:
Ief0e9884a:Keystore 2.0: Move keymint spec to security namesp...
Idb54e8846:Keystore 2.0: Move keymint spec to security namesp...
I9f70db0e4:Remove references to keymint1
I2b4ce3349:Keystore 2.0 SPI: Move keymint spec to security na...
I2498073aa:Move keymint to android.hardware.security.
I098711e7d:Move keymint to android.hardware.security.
I3ec8d70fe:Configure CF to start KeyMint service by default.
Icbb373c50:Move keymint to android.hardware.security.
I86bccf40e:Move keymint to android.hardware.security.

Change-Id: Icd279f358db2387bf2bf232b0548762fab51e67d