tests: move test to more appropriate location

The test is a C++ semantic analysis test, move it to SemaCXX from Sema.  NFC.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@219932 91177308-0d34-0410-b5e6-96231b3b80d8
[AArch64] Enable A53 erratum workaround (835769) by default for Android targets

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@219933 91177308-0d34-0410-b5e6-96231b3b80d8