Merge "libbinder: support TF_CLEAR_BUF" am: 323c44a81f am: 32b2be1c30 am: c7517a49be am: 70bfb99f01

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1475462

Change-Id: I3d4396eefbb526d8b09939eeb338945c4c8086a4