Merge "libbinder_ndk: separate libbinder plat headers" am: b40b64d0 am:...

Merge "libbinder_ndk: separate libbinder plat headers" am: b40b64d0 am: 6a3034c3 am: d309d9a1 am: 4e0fb45d

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1490135

Change-Id: I046aef0b36230adb190382279f8d69745855a783