docs: Fix bad @code syntax in doc comment am: 29e0d15f am: 835a39fe

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23797304



Change-Id: Ib7c3d218afc69777e6a78bd882351f8d6c5d4869
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>