Suppress clang-analyzer-security.FloatLoopCounter warnings

* Suppress also the alias check name cert-flp30-c.
* Leave comment in code for code owners to rewrite
  the loop with integer counters.

Bug: 265171053
Test: presubmit; tidy-packages-apps-LegacyCamera_subset
Change-Id: Ibda6e6174656b8ca31fad95882e0acc740097899
1 file changed