tree fd59c39b7b564b4b111cd339d28475f916692755
parent e86498f9dfa1bd0663c7b67556385f6361f07686
author Chien-Yu Chen <cychen@google.com> 1508799589 -0700
committer android-build-team Robot <android-build-team-robot@google.com> 1512435601 +0000

camera: Drop pending preview for enableZsl shots

If the device support ZSL, drop pending preview buffers to reduce
the chance the rendering preview frames newer than the still frame
during takePicture().

Test: CTS
Bug: 67497723
Change-Id: I5f253a402a6302d31777ad4ca2878ef0d0d1ae44
Merged-In: I5f253a402a6302d31777ad4ca2878ef0d0d1ae44
(cherry picked from commit 63068520622543b57c8607612a4f44fbbef6a021)