Merge changes I9731d978,I9e325782,I441a4d4d,I86a85e48,I9268fd66, ...
* changes:
Keystore 2.0 SPI: Install legacy Keystore provider as AndroidKeyStoreLegacy
Keystore 2.0 SPI: Zygote install Keystore2 provider conditionally
Keystore 2.0 SPI: Evolve the generator SPI.
Keystore 2.0 SPI: Evolve Factory SPI
Keystore 2.0 SPI: AndroidKeyStoreProvider loads keys from Keystore 2.0
Keystore 2.0 SPI: Evolve the Crypto SPI.
Keystore 2.0 SPI: KeyParameter utilities.
Keystore 2.0 SPI: Update the chunked streamer.
Keystore 2.0 SPI: KeyStoreCryptoOperationUtils
Keystore 2.0 SPI: KeyStoreKeys adopt Keystore 2.0
Keystore 2.0: Shim around the basic functionality of Keystore 2.0
Keystore 2.0 SPI: Duplicate Keystore SPI to android.security.keystore2 package