shtoolsreadme: Separate relative and output path variables
shtoolsreadme: Separate relative and output path variables

Change-Id: I88c8c86d18968cf6c27d6dd08f4c21f3ed510b25
Signed-off-by: Adrian DC <01fb3892f39957945220431e7409156544d2f041@gmail.com>

AdrianDC/android_development_shell_tools,AdrianDC/android_development_shell_tools