repopick.py: Changes/Improvements

PS2: Including Change-Id in description just incase

Signed-off-by: Ayysir <dresadd09691@gmail.com>

Change-Id: Ief21bf6b134ae4e0a6cb2702282773b21b2d5225
repopick.py: add repopick function ton envsetup

PS2: add repopick function ton envsetup

Signed-off-by: Ayysir <dresadd09691@gmail.com>
Merge "repopick.py: add repopick function ton envsetup" into jb43
Merge remote-tracking branch 'buildPA/jb43' into jb43