Revert "Temporarily remove the care_map in the ota package"

This reverts commit 5856cfbf8212ddf9508bc03f58d61ed08a729cf8.

Reason for revert: re-enable care_map b/205541521

Change-Id: I64b4637991a80c9d08a28bdd324c47b4067b1762
diff --git a/tools/releasetools/ota_from_target_files.py b/tools/releasetools/ota_from_target_files.py
index 6d1592c..ec703ab 100755
--- a/tools/releasetools/ota_from_target_files.py
+++ b/tools/releasetools/ota_from_target_files.py
@@ -1191,8 +1191,6 @@
     care_map_list = [x for x in ["care_map.pb", "care_map.txt"] if
                      "META/" + x in target_zip.namelist()]
 
-    # TODO(b/205541521) remove the workaround after root cause is fixed.
-    care_map_list = []
     # Adds care_map if either the protobuf format or the plain text one exists.
     if care_map_list:
       care_map_name = care_map_list[0]