```
Upstream revision: https://github.com/llvm/llvm-project/blob/6d0488f75bb2f37bcfe93fc8f59f6e78c9a0c939/compiler-rt/include/fuzzer/FuzzedDataProvider.h
Changes:
* [compiler-rt] FuzzedDataProvider: add ConsumeData and method.
* [compiler-rt] Fix a typo in a comment in FuzzedDataProvider.h.
* [compiler-rt] Add ConsumeRandomLengthString() version without arguments.
* [compiler-rt] Refactor FuzzedDataProvider for better readability.
* [compiler-rt] FuzzedDataProvider: make linter happy.
* [compiler-rt] Mark FDP non-template methods inline to avoid ODR violations.
```
Backport of core#20740 and core#20812.