* changes: Keystore 2.0 SPI: Adding the keystore AIDL interface to frameworks Keystore 2.0: KeyProperties SignaturePadding is now public but hidden Keystore SPI: Add SecurityLevelEnum to KeyProperties
* changes: Keystore 2.0 SPI: Adding the keystore AIDL interface to frameworks Keystore 2.0: KeyProperties SignaturePadding is now public but hidden Keystore SPI: Add SecurityLevelEnum to KeyProperties