Fix AAPT daemon mode with paths containg spaces.

Use new line as a delimiter rather than space.
Fixes: https://code.google.com/p/android/issues/detail?id=135757
Gradle CL: https://android-review.googlesource.com/130423

Change-Id: I7c73e680b0417b0e7cff9e0110822675c53ae20f