Update NDK platform prebuilts to build 4634113.

Test: ndk/checkbuild.py && ndk/run_tests.py
Bug: None
Change-Id: I9e7aa333073c61ba2724a6cd39f7b7e30ff2fef6
(cherry picked from commit fbc4cfb1550a2bd67437946f104c49d0ef7586c6)
123 files changed