Merge "Treat @snippet tag as @code tag" into main am: 926ed45220

Original change: https://android-review.googlesource.com/c/platform/external/doclava/+/2952883

Change-Id: I4d143bc28dc12c954dabcf689b2442796ff3092e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>