[clang] [Driver][ARM] Change Android's NEON FPU hardcoding to "== 7" as it pessimizes future ArmV8 code (PR #122969)

[Sharjeel Khan via cfe-commits]

Sharjeel-Khan wrote:

Thanks, I updated the PR description. Do you mind merging it @DavidSpickett? I still do not have commit access.  

https://github.com/llvm/llvm-project/pull/122969