Delete old NDKs.

There's no reason to keep these around. All they do is make code
search confusing.

Change-Id: Ie145e5eaa147e85547c132c025a8c76ec8c58b25
72178 files changed
tree: fcb499ec5684c06baeb62faa56475b39dfe7f8d3
  1. current/
  2. Android.mk
  3. CleanSpec.mk