Revert "android: lowmemorykiller: Add whitelist PIDs that never been killed"

This reverts commit f08725ab77ed93245fb5337100d67b5170a2ba89.
Revert " net: wireless: bcmdhd: Update to version 5.90.195.104"

This reverts commit b84274747b384dd5a39931e90ed4f54f593aa56d.
Revert "PM_FAST if proximity is enabled"

This reverts commit 70194202e1a68622283d0549aa25a04e89ec32b8.
Revert "Some wifi tweaks for more signal"

This reverts commit 59a052826c4d1246f370a4e98bddc4b5cd859827.
Revert "Fix missing wifi_pm sysfs"

This reverts commit 3fc6e1c3df99ba5099a74962cf055d2c1c2ea407.