/usr/include/ is in android-libunwind-dev 7.0.0+r1-4.
This file is owned by root:root, with mode 0o755.
..
/usr/include/android/
/usr/include/android/lzma/
/usr/include/android/lzma/7zCrc.h
/usr/include/android/lzma/7zTypes.h
/usr/include/android/lzma/Sha256.h
/usr/include/android/lzma/Xz.h
/usr/include/android/lzma/XzCrc64.h
/usr/include/android/unwind/
/usr/include/android/unwind/libunwind-aarch64.h
/usr/include/android/unwind/libunwind-arm.h
/usr/include/android/unwind/libunwind-common.h
/usr/include/android/unwind/libunwind-coredump.h
/usr/include/android/unwind/libunwind-dynamic.h
/usr/include/android/unwind/libunwind-hppa.h
/usr/include/android/unwind/libunwind-ia64.h
/usr/include/android/unwind/libunwind-mips.h
/usr/include/android/unwind/libunwind-ppc32.h
/usr/include/android/unwind/libunwind-ppc64.h
/usr/include/android/unwind/libunwind-ptrace.h
/usr/include/android/unwind/libunwind-sh.h
/usr/include/android/unwind/libunwind-x86.h
/usr/include/android/unwind/libunwind-x86_64.h
/usr/include/android/unwind/libunwind.h
/usr/include/android/unwind/libunwind_i.h
/usr/include/android/unwind/unwind.h