DO NOT MERGE Add initial batch of inputFlinger fuzzers am: 7c58e65697 am: f01359e6f2

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1309697

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I7026d216b11da9a376790bb0b0ae6986aad74f50