Add mount_all command parsing to DmesgParser

[    2.295667] init: Command 'mount_all --late' action=late-fs
(/vendor/etc/init/init.rc:347) took 250ms and succeeded

Bug: 233968506
Test: loganalysis-tests
Change-Id: I976c66f0df6607019c7de71ca66895bb1d7f1152
2 files changed