Update Bionic prebuilts for riscv64.

Amends https://r.android.com/3216078 that removed the riscv64 SDKs.

This updates Bionic to approximately the same point in time as the
other architectures - as of commit 52c6164d in platform/bionic, to be
precise.

CL prepared by prebuilts/runtime/mainline/update.py using
--local-dist-riscv64.

Test: lunch riscv64
      art/tools/buildbot-build.sh
  on master-art
Bug: 359159472
Change-Id: Icb6ba5010a4e1fc698526b68bb86d172221bc348
1359 files changed