build_chrome_browser.py: Remove both internal and external output
directories when --clean is specified.

Tested: ./build_chrome_browser.py --clean ... deletes both output
directories.

PRESUBMIT=passed
R=llozano,bjanakiraman
APPROVED=llozano
DELTA=25  (17 added, 8 deleted, 0 changed)
OCL=62512-p2
RCL=62532-p2
RDATE=2012/09/06 12:09:34


P4 change: 42792067
1 file changed
tree: 01cacedf494ac2f17dd8d5ede449046025142cd7
  1. .git5_specs/
  2. v14/