Set number of fixpoint iterations to 10 before switching to the linear
algorithm. The flag's initial default value was set to 0 to use the
linear algorithm all the time for testing purposes.

Bug: chromium:844008
Change-Id: Ib0fd6241b55468ef5be2c4cc3cc147db2d432c83
Reviewed-on: https://chromium-review.googlesource.com/1134769Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Dominik Inführ <dinfuehr@google.com>
Cr-Commit-Position: refs/heads/master@{#54413}