Merge "Adds an --overwrite flag to always overwrite install dir." am: 7c7b7d0ea8 am: 254f45a4dd am: f244dc9292 am: d44e2870ab am: 3e3abae323

Original change: https://android-review.googlesource.com/c/platform/development/+/1405278

Change-Id: I4edeb1f6beba617bfbafc2c92421974664686c80