Revert "Revert "ANDROID: clang: update to 11.0.5""

This reverts commit 998f5e46.

Re-upgrades clang to 11.0.5/clang-r399163b.

Bug: 171827315
Bug: 173479375
Bug: 174047799
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Change-Id: Iea4177618cce065c0ec683ec191e378e250975d3