debuggerd: add Lineage version to tombstones

Change-Id: I7822a2e133a2f326ad2d8da8f79b0064344d59bf

debuggerd: Rebrand tombstone header to LineageOS

[harryyoud]: Use new props for 15.1
[rashed]: Bah... use GetProperty
[mkbestas]: Rewrite for T

Change-Id: Idd08c2eb7e395b464b1510742bf52833f465db08
3 files changed