Camera API1: relax the fps check with some margin

Some HALs may advertise slightly larger min frame durations, which
makes the supported fps check fail. Then, some supported fps range
may be missing in the supported preview fps range list.

Bug: 32544699
Change-Id: I1ed62b97d3d39e5d7f0e7c407c6cc482b8968373
(cherry picked from commit 84eb96049ce0690334530ad916e22d6933c0223b)
1 file changed