gerritreview: Add fetch and stats output before review
gerritreview: Add fetch and stats output before review

Change-Id: I35817754422bce456a2416c5b82eed3e092bfa72
Signed-off-by: Adrian DC <01fb3892f39957945220431e7409156544d2f041@gmail.com>

AdrianDC/android_development_shell_tools,AdrianDC/android_development_shell_tools