Update mojom file paths from components/arc/common/ to c/a/mojom

The directory is renamed.

BUG: 149070836, chromium:1035484
Test: local build

Change-Id: I227cfba0e9fe321ce934cdfe8a3b73c2e524d937
(cherry picked from commit 3185fcb2ed421a77f409115db6beee5f97bd23b4)
2 files changed