Allow fastbootd to execute dmesg in userdebug builds.

This enables users to run "fastboot getvar dmesg" which is important to
debugging flashing failures in automation. The command is only allowed on
unlocked devices running userdebug builds.

Bug: 230269532
Test: fastboot getvar dmesg
Change-Id: Ia27268fd984f903ca73e69b5717f4206a3cf1ae9
1 file changed