reposwitcher: Use init mode when .repo doesn't exist
reposwitcher: Use init mode when .repo doesn't exist

 * Silence croot warning when using the init mode

Change-Id: I514cbdb36aac8a980e8569bce3db4a2704303743
Signed-off-by: Adrian DC <01fb3892f39957945220431e7409156544d2f041@gmail.com>

AdrianDC/android_development_shell_tools,AdrianDC/android_development_shell_tools