Revert "Sync sysctl module to v0.0.4 from upstream"

Partial-bug: #1337415

This reverts commit 6587dca0e92c03073bac57895b2caafae6d289c5.

Change-Id: I86d233e77ac8107f034a494a725fe6947fb94427
Merge "Revert "Sync sysctl module to v0.0.4 from upstream""