Import androidx heifwriter from build 6018155

androidx.heifwriter_heifwriter is only used in CTS HeifWriterTests.
Pick up a fix in AOSP androidx to fix a wrong usage of
KEY_CAPTURE_FPS.

bug: 145934057
test: run HeifWriterTest.testInputSurface_Grid_NoHandler
with test modified to run 100 iterations, should not hit
the failure as in the bug.

Change-Id: I76e40b97d63b8dff843920e45fb284c24c575b5f
Merged-In: I6eb0afc410aac4f50908ba3c12fc31578c2de690
9 files changed