build: disable -Wmissing-noreturn for clang-tidy

Clang's -Wmissing-noreturn warning is aggressive; it'll complain about a
missing noreturn on code like:

const bool kFooEnabled = false;
void foo() { if (!kFooEnabled) abort(); }

Since we have special markings on CHECK(bar) that are only applied when
we're running the analyzer, and they essentially turn CHECK(bar) into
`if (!bar) abort();`, we have 20 or so false-positives in ART for
-Wmissing-noreturn. See e.g. art::gc::Heap::AllowNewAllocationRecords().

Please note that this does not disable -Wmissing-noreturn for clang.
Only the static analyzer.

If you're interested in why we're not doing this for all of Android,
please see https://android-review.googlesource.com/#/c/417028/ . (In
addition, art/ is also the only place we're seeing this aggressive
behavior actually cause issues.)

Bug: 32619234
Test: mma + warn.py. All missing-noreturn warnings are now gone.
Change-Id: I0c7761579482aa16b88156e9caacc88052ae421c

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