wifi: store PMK cache in Android framework

Supplicant network is cleared after disconnection and PMK
cache is cleared as well.
Android framework needs to store existing PMK cache
and passes it to supplicant on demand.

Bug: 36505680
Test: atest FrameworksNetTests
Test: connect EAP access point and verify PMK cache works correctly.

Change-Id: I2b7ea1ae6e90e3a3ae19933bf60a3ee61925ba9f
8 files changed
tree: ac0d3f45b9ea9b49d731d5b86beba0800640ce11
  1. service/
  2. PREUPLOAD.cfg