gitstat: Improve function output and readability
gitstat: Improve function output and readability

Change-Id: I6e97cdf492fb5e4897aed0844177ecf1836ba96c
Signed-off-by: Adrian DC <01fb3892f39957945220431e7409156544d2f041@gmail.com>

AdrianDC/android_development_shell_tools,AdrianDC/android_development_shell_tools