Update clang-tools to ab/5163834

Update LLVM_PREBUILT_VERSION to clang-r346389

Bug: 119558057
Test: lunch aosp_crosshatch-userdebug && make
Test: touch a.h && \
    prebuilts/clang-tools/linux-x86/bin/header-abi-dumper \
    a.h -o a.sdump -- -fno-sanitize=implicit-integer-sign-change
Change-Id: I21813babf92f7f97aab2150fd50196879b720acb
315 files changed
tree: 7dcf43e27e7c607a6901e99fdeb984be9e93790c
  1. darwin-x86/
  2. linux-x86/
  3. build-prebuilts.sh
  4. manifest.xml