tree cbb5f8d7385b194819bdb18247c5cef7d48e4eee
parent 2961a35354218904bf190c10a9e52350298c4385
author Zhijun He <zhijunhe@google.com> 1453847991 -0800
committer Zhijun He <zhijunhe@google.com> 1454013462 -0800

Camera3: return cancelled buffers to buffer manager

When a buffer is cancelled, it is considered as a free buffer and need to be
returned to buffer manamager for buffer reuse. This will also make the prepare
work.

Also fix the buffer removal bug.

Bug: 25088440
Change-Id: I0e3da44c76008406ee19541366da7a962c355949