Merge "Updates the FB_COMMAND_SIZE from 64 to the linux max value of 4096 and...

Merge "Updates the FB_COMMAND_SIZE from 64 to the linux max value of 4096 and updates the relevant unit tests." am: a67092a7 am: c8820b27 am: 5379b4fc am: a9460a38 am: 45164954

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2214970



Change-Id: I94e27460c6368860e6a9d8e0e84fe5b488f162c2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>