HDMICEC: Out of Bounds Write in sendMessage in HdmiCec.cpp am: a93bdd0578 am: e8fccd25c9 am: 420879d773

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

Change-Id: I67b01b8e4f52aa7c62659ef3ca430acc0b4aba44
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>