Add util::map_ptr to incFs am: 97c05a314c am: f0fd3f117d am: d918ca2fc8

Original change: https://android-review.googlesource.com/c/platform/system/incremental_delivery/+/1430128

Change-Id: I911aee9a7f79a460fa71a3b89bb5e08bf5c3921a
tree: bbaab994c60fe810f4e6d89db45db1b6cf7f36fb
  1. incfs/
  2. libdataloader/
  3. sysprop/
  4. .clang-format
  5. PREUPLOAD.cfg