am 5c767bb9: Add android-4 sysroot and use project\'s default.properties to get the right target.

Merge commit '5c767bb977506dae81680529044adc9f82b4765a'

* commit '5c767bb977506dae81680529044adc9f82b4765a':
  Add android-4 sysroot and use project's default.properties to get the right target.