Avoid subtracting shmem twice when calculating LOST RAM.

NR_SHMEM is included in both shmem and cached memory of /proc/meminfo.
To avoid double subtraction (since included in kernelUsed and getCachedSizeKb) add shmem to LOST RAM.

Bug: 371518137
Change-Id: I7bdac17c2c952fbb045c0eed9f38a44df2831204
2 files changed