msm: Remove all references to CONFIG_ANDROID_PMEM

CONFIG_ANDROID_PMEM is completely deprecated. Remove all
references to it.

Change-Id: Ie1f2b08094fffdf308025d43bf4c8c164e52340b
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
video: msm: Increase video encoding output buffer size

When bistream buffer size is half of YUV buffer size, video core
may be put into a bad state where output buffers are not returned
back to user space. Increasing the output buffer size solves the issue.

Change-Id: Ie30ec084a764717526c74fc3f89d2684c7020f09
Signed-off-by: Shuzhen Wang <shuzhenw@codeaurora.org>