Let rule could decide dispatching excess when detecting combination key

The KeyCombinationManager would excess the delay before it dispatching
to the client side when detecting a potential combination key, it may
cause some key affects UI performance dramatically such as dpad center
or back.

This CL provide a way for combination key rule could control the timeout.

Bug: 220669913
Test: atest KeyCombinationTests
Change-Id: Iab68cce050fbc1376307463cefc4d4d8d26d7c43