Revert "libbinder: vendor binder has a different header"

This reverts commit d70160f2.

Reason for revert:
Broken test: android.os.ParcelTest#testCallingWorkSourceUidAfterEnforce on git_qt-dev-plus-aosp on aosp_cf_x86_phone-userdebug at 5768150

Bug: 138691255
Change-Id: I0304d70627ee3cc16738313b09a258108b210a5b