Update LLVM_PREBUILT_VERSION to clang-r346389

This commit updates LLVM_PREBUILT_VERSION to clang-r346389.

Bug: 119558057
Test: OUT_DIR=out ./prebuilts/clang-tools/build-prebuilts.sh
Change-Id: Ieb3ae6372011cec257dfe2d8b3240c9b7d381857
1 file changed
tree: b369903bc8be116f2e896b365aeba53308f754a2
  1. darwin-x86/
  2. linux-x86/
  3. build-prebuilts.sh
  4. manifest.xml