Remove include <linux/android_pmem.h>

This file is not needed and does not exist in the uapi kernel headers.

Bug: 11559337

(cherry picked from commit a04d7d81f57932ecd1e35be21d2d6d1210f26d19)

Change-Id: I7bbc6a8f6fde8960eff870c81034f9f96bbb6d8c
Merge "Remove include <linux/android_pmem.h>"
Merge https://android.googlesource.com/platform/hardware/qcom/media into kk-devel