Merge "libbinder: remove readIntPtr" am: 8e046890e9 am: 51e5b96aaf am: 5f9284baff am: 19bbd8931d

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1495197

Change-Id: I4f5b1fabec8175d5447e1cff52b724d77c2cf9dd