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: Update listener status flag
  eec7d0b6d8e690ebe268965e89593812d607b3a8

Change-Id: I9a5db406c16c3610237a1b85fbfab5c0d63e4960

1 files changed, 8 insertions, 0 deletions

diff --git a/Android.bp b/Android.bp
index 8aea8b6..12e2aa6 100644
--- a/Android.bp
+++ b/Android.bp
@@ -16,6 +16,14 @@ cc_library_shared {
     srcs: sourceFiles,
     shared_libs: commonSharedLibraries,
 
+    product_variables: {
+        lineage: {
+            supports_legacy_hw_fde: {
+                cflags: ["-DLEGACY_HW_DISK_ENCRYPTION"],
+            },
+        },
+    },
+
     owner: "qti",
 }