cryptfs_hw: Add compatibility for pre-O hw crypto

* Restore compatibility for pre-O way of hw crypto
  interaction with qsee as the new way is not
  compatible with old blobs.
* Old blobs and current OSS keymaster still use the
  old property to check if qseecomd is loaded.
* This conditionally reverts:
  cryptfs_hw: Add new APIs for key management
  84ac4882d6feeceb24e983a4eaba1d148c2ba3e6
  cryptfs_hw: Use HW keymaster for FDE keys
  a5d3a02eb13362490222ac2a7eefde6543546e31
  cryptfs_hw: Wait for qseecom daemon to start FDE operation
  b01c6ec9373bee3e9d71d2300ebce7c287c3d687

Change-Id: I9a5db406c16c3610237a1b85fbfab5c0d63e4960
2 files changed
tree: 86fdc78eca6cfb4b898284fa6d1a601bc4a9a13b
  1. .gitreview
  2. Android.bp
  3. cryptfs_hw.c
  4. cryptfs_hw.h
  5. NOTICE