Add wrapped key support

These commits added wrapped key support:

  https://source.codeaurora.org/quic/la/platform/system/core/commit/?h=LA.UM.8.1.r1-08800-sm8150.0&id=ddd34f7b85ea6701d0c62f1e7c6cb98bbef60738
  https://source.codeaurora.org/quic/la/platform/system/core/commit/?h=LA.UM.8.1.r1-08800-sm8150.0&id=98ee612a86f40a862889347a4f3bb6231fcdb0e0
  https://source.codeaurora.org/quic/la/platform/system/core/commit/?h=LA.UM.8.1.r1-08800-sm8150.0&id=c69050ee52338339f0eb1a07aa3eeeeeb2e209d9

Although, got either reverted by follow-ups or removed after the big Q merge commit:

  https://source.codeaurora.org/quic/la/platform/system/core/commit/?h=LA.UM.8.1.r1-08800-sm8150.0&id=dd28b6d7f1f44a529a2262d09834da4ca48937f4

Bring in the relevant bits so that system/vold part compiles.

Change-Id: Ibdf035e548c3f5085401f60df158c9a327947f33

Author: moetayuko

fs_mgr/fs_mgr_fstab.cpp

@@ -211,6 +211,7 @@ void ParseFsMgrFlags(const std::string& flags, FstabEntry* entry) {
         CheckFlag("first_stage_mount", first_stage_mount);
         CheckFlag("slotselect_other", slot_select_other);
         CheckFlag("fsverity", fs_verity);
+        CheckFlag("wrappedkey", wrapped_key);
 
 #undef CheckFlag
 

fs_mgr/include_fstab/fstab/fstab.h

@@ -84,6 +84,8 @@ struct FstabEntry {
         bool first_stage_mount : 1;
         bool slot_select_other : 1;
         bool fs_verity : 1;
+        bool reserved : 26;
+        bool wrapped_key : 1;
     } fs_mgr_flags = {};
 
     bool is_encryptable() const {