Update aconfig_flags.pb list

System_ext no longer producing aconfig_flags.pb, and we are missing
product aconfig_flags.pb in the list.

Test: m
Change-Id: I3ced1a05d3410d6db290172d6a257eb33994a3fa
1 file changed
tree: b5029913e01016fd1e9fb4ed28ec0d6ccc2b93fc
  1. aconfigd/
  2. apex/
  3. framework/
  4. service/
  5. OWNERS
  6. TEST_MAPPING