ANDROID: gki_defconfig: Enable req modules in GKI

SND_VMASTER must be builtin to the GKI for leaf configs of this
config such as SND_8X0 and AC_97 to be loaded as modules.

CRYPTO_ENGINE is now used by Android userspace.
Enable as part of GKI.

Bug: 130424539
Bug: 139431025
Test: Treehugger
Change-Id: I2cd422a88a3ec0bc6bbf59d9faa3616e42cc2038
Signed-off-by: Ram Muthiah <rammuthiah@google.com>