Added --debug-mode flag to AAPT2

Bug: 74968793
Test: Tested for correct debuggable attribute presense with and without
flag

Change-Id: I0148d1caba62db8cf258926f1d9e87a849aa283f
(cherry picked from commit 444f9bb6a18ff34b69cba504c8658b7013eaa53a)
4 files changed