[fts] add load_from_flash metric definition

Add cobalt definition for the load_from_flash metrics for FTS.

Bug: 42757
Test: fx format-code && fx build
Change-Id: Ifd638139f12859b3f3f7e412660e12ebb29c7071
2 files changed
tree: b2c69fe8f5cb95fd8fbc39dfbe445b36cdfc1000
  1. .gitignore
  2. BUILD.gn
  3. OWNERS
  4. check.py
  5. cobalt_internal/
  6. fuchsia/
  7. projects.yaml