Fixes KeyStore::isHardwareBacked

KeyStore::isHardwareBacked was broken by the hidlization of the
Keymaster HAL. This patch implements the functionality by quarrying
the Keymaster HAL for hardware features.

Bug: 35866007
Change-Id: I237e29a8b1c1b93a88b9fa8a969c3c832af384ff
1 file changed
tree: d8482cfc4aa9455b83fdae90f687fb42bcdda3ef
  1. keystore/
  2. keystore-engine/
  3. softkeymaster/
  4. MODULE_LICENSE_APACHE2
  5. NOTICE