Update bcc whitelist with a few more math functions for half

http://b/23536224

Auto-generated from API specification change
https://android-review.googlesource.com/#/c/201420/.

(cherry picked from commit 23b23462f46866c079362870c2cb9a720b732006)

Change-Id: I39fd3a82f4d88041c8f19c7b3521a907606e253c
1 file changed