docs: Fix bad @code syntax in doc comment am: 29e0d15f am: 1329bf93 am: 9f3a8140

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



Change-Id: Ia90a1923f5da930966b04042c4b45dd031c80dfa
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>