[clang] [Driver] Warn when using msan on Android (PR #122540)

[LLVM Continuous Integration via cfe-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-aarch64-sve-vls` running on `linaro-g3-03` while building `clang` at step 6 "build stage 1".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/143/builds/4702

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 6 (build stage 1) failure: 'ninja' (failure)
...
[93/191] Linking CXX executable bin/mlir-opt
[94/191] Linking CXX executable bin/llvm-opt-fuzzer
[95/191] Linking CXX executable bin/llvm-lto
[96/191] Linking CXX executable bin/clang-nvlink-wrapper
[97/191] Linking CXX executable bin/mlir-transform-opt
[98/191] Generating ../../bin/llvm-ranlib
[99/191] Generating ../../bin/llvm-lib
[100/191] Generating ../../bin/llvm-dlltool
[101/191] Generating ../../bin/llvm-otool
[102/191] Copying llvm-locstats into /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1/./bin
command timed out: 1200 seconds without output running [b'ninja'], attempting to kill
process killed by signal 9
program finished with exit code -1
elapsedTime=1408.493035

```

</details>

https://github.com/llvm/llvm-project/pull/122540