init: introduce ro.kernel.version property

This property will hold the major.minor part of the kernel version (e.g. "5.4"), allowing init scripts to act depending on that version, enabling and disabling certain features.

Bug: 194156700
Test: manual on a Pixel device
Signed-off-by: Alexander Potapenko <>
Merged-In: Icec640b8a7150b344d9aa3bc0bdbcdae050c7c45
Change-Id: I5af411e39da600e5e0f6703f3a2a4930d509e29d
(cherry picked from commit 1c496e94e0b7fb4425d05b6b9764700842723dfd)
1 file changed