Fallback to software keystore on import_key failure

This is to allow keymaster HAL 0.3 types to be able to fallback when
they don't support DSA or EC keys.

Bug: 17576126
Change-Id: I7e1e806e26fb61e2cd033d7d3a2c09560764ca42
1 file changed
tree: 41734970ac81fe304d8f56439b990b170e917230
  1. keystore/
  2. keystore-engine/
  3. softkeymaster/