Merge "lshal: exhaust pipe before closing." am: abecf2e90a am: 114ee970bd am: 754d8e8bfb am: 4b0ea54ad2

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1833033

Change-Id: I2b520dba39631a324e15c73a6782363cca53152a