fboota: resolve boot.img output path detection in Android 10 logs
fboota: resolve boot.img output path detection in Android 10 logs

Change-Id: I9a491fda33a171517e8abdb064a4aedf69f151f2
Signed-off-by: Adrian DC <01fb3892f39957945220431e7409156544d2f041@gmail.com>

AdrianDC/android_development_shell_tools,AdrianDC/android_development_shell_tools