Update prebuilts/build-tools from ab/4356965

Adds d8, dx, and desugar to common/. These will be used by
unbundled builds.

Test: m -j TARGET_BUILD_APPS=Gallery2
Change-Id: I0146c62bc29cdb4ba0770198e0735a0a4711809b
45 files changed
tree: a7a281206e4697d78fe612823105ba017d7f0f4e
  1. common/
  2. darwin-x86/
  3. linux-x86/
  4. build-prebuilts.sh
  5. manifest.xml
  6. OWNERS