Merge "Explain more MAX_IPC_SIZE is a recommendation and a hard limit." into main am: 1d168dd288 am: ccec670852

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3164471

Change-Id: I4b6ecb8556c7656ddcf03e7fe2fb212a9d2400a9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>