If a framerate reduction (input fps - restricted fps) is less than the configured diff, shorten interval to next qp check. Bug: none Change-Id: Ia0b9e0638e5ba75cdc20a1bb45bfcb7d858c5f89 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/149040 Commit-Queue: Åsa Persson <asapersson@webrtc.org> Reviewed-by: Magnus Flodman <mflodman@webrtc.org> Cr-Commit-Position: refs/heads/master@{#28880}