Merge "Revert "Convert su/Android.mk to Android.bp"" am: 9c07e34fa9 am: 09daa33baa

Original change: https://android-review.googlesource.com/c/platform/system/extras/+/1699725

Change-Id: I4b9a24618b99e3da87d2d657ce5f130100c379d5