Add missing copyright headers

Bug: 147311373
Test: find ./hostsidetests/securitybulletin/ -type f -exec grep -L "The Android Open Source Project" {} +
Change-Id: I1738a6b9ea1edfd539d21f9c2092b87d5cdd0d37
Merged-In: I1738a6b9ea1edfd539d21f9c2092b87d5cdd0d37
29 files changed