Keystore 2.0: Enable by default.

Keystore 2.0 is to replace Keystore. This patch removes
checking the keystore2 enable property and installs the Keystore 2.0 SPI
by default.

Bug: 171563717
Test: N/A
Change-Id: I13a3db8ca736cceb06e864457046ff9ca641322d
2 files changed