Calculate verity hash tree.
Calculate verity hash tree in FilesystemVerifierAction based on configs
specified in protobuf, and write it to target partition before reading
from those blocks.
A new error code kVerityCalculationError was added to report error if
it fails.
Bug: 28171891
Test: update_engine_unittests
Change-Id: I492885a0655bf51043902f578720fffd87e6a3cf
diff --git a/common/error_code.h b/common/error_code.h
index 86b7a3e..252cc42 100644
--- a/common/error_code.h
+++ b/common/error_code.h
@@ -79,6 +79,7 @@
kNoUpdate = 53,
kRollbackNotPossible = 54,
kFirstActiveOmahaPingSentPersistenceError = 55,
+ kVerityCalculationError = 56,
// VERY IMPORTANT! When adding new error codes:
//
