Add symlinks for py2-cmd -> python[2[.7]] into $PATH

This means that we'll be using a prebuilt python executable when running
`python` inside the build.

Fixes: 117811537
Test: treehugger
Change-Id: Ia2f839086fbdfbe5a7cad64a3a1036e252ff7f93
6 files changed
tree: 50a5803dbebee2f65fe9fbd05b518316e44d0252
  1. common/
  2. darwin-x86/
  3. linux-x86/
  4. path/
  5. build-prebuilts.sh
  6. manifest.xml
  7. OWNERS