Add CredentialStorage with clear option.

CertInstaller relies on Settings to install keys into the system KeyStore.

Bug: 130199964

Test: CtsVerifier KeyChainTest, ensure certificates can be installed,
  clear credentials, RunCarSettingsRoboTests
Change-Id: I88384012fa401f5cbdda8f780ff65327bf0694a7
9 files changed
tree: 49f731c3d223b363b855ba9ac2998fd7a86a40ef
  1. res/
  2. src/
  3. tests/
  4. Android.mk
  5. AndroidManifest.xml
  6. PREUPLOAD.cfg