The compiler stubs for testing the OSLog implementation are in need of an update. This change updates the stubs to be consistent with the current OSLog implementation, updates the existing tests, and adds new tests for String and metatype interpolations.
rdar://69719729
module to contain only code necessary for testing the compiler
optimizations and diagnostics. This commit comprises the following changes:
1. Rename the OSLogPrototype module to OSLogTestHelper and rename the files.
2. Make the private module: OSLogTestHelper independent of os overlay.
3. Simplify the os log test suites and make them not perform logging.
4. Enable the os log test suites on all platforms.
<rdar://problem/60542172>