HDMICEC: Out of Bounds Write in sendMessage in HdmiCec.cpp am: a93bdd0578 am: e8fccd25c9

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/23486967

Change-Id: Ifd9c0fd86c973a0a5f0d5b23f46766bcc177e6f4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>