Work around upstream patch for old NDKs.

The Chrome folks are trying to build libc++ with an old NDK and added
checks to handle that, but we don't have <android/ndk-version.h> in
the platform.

Test: make checkbuild
Bug: None
Change-Id: Ic28bd67ecee1a93b47ce0b307415c3ff25b449eb
1 file changed