[clr-ios] Implement performance benchmarks for interpreter and R2R on Apple devices

[kotlarmilos]

Description

Measure startup, size, and build time in performance pipeline of Release and Debug builds on iOS in two runtime modes: interpreter-only and interpreter+R2R.

Tasks

• [iOS] Add interpreter measurements for dotnet/runtime HelloWorld app performance#4957
• [perf] Setup iOS performance measurements on CoreCLR #120139
• [ios-clr] Add CoreCLR R2R build step for performance measurements #122039
• [clr-ios] Add support for CoreCLR R2R scenarios performance#5053
• Add Maui iOS CoreCLR scenario benchmarks to the performance job pipeline performance#5030
• Standup MAUI iOS R2R scenarios

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[dotnet-policy-service]

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