Merge "lshal: exhaust pipe before closing." am: abecf2e90a am: 114ee970bd am: 754d8e8bfb am: 4b0ea54ad2 am: 9d703369d7

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

Change-Id: Ib737b04e8b2df578f600953851fcae6b920e9138