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Enable hot restart on profile mode #37987

@liyuqian

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@liyuqian

Currently, performance debugging in profile mode is really time consuming because every small change requires a cold restart, which could take several minutes.

While hot reload is impossible in AOT profile build, hot restart should be possible according to @cbracken .

Let's enable it in flutter tools to significantly speedup our customers' performance debugging process.

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    P3Issues that are less important to the Flutter projectc: new featureNothing broken; request for a new capabilityc: performanceRelates to speed or footprint issues (see "perf:" labels)customer: dream (g3)team-toolOwned by Flutter Tool teamtoolAffects the "flutter" command-line tool. See also t: labels.tool-still-validIssues that have been deemed still valid as part of the Flutter Tools issue cleanup initiative.triaged-toolTriaged by Flutter Tool teamwould require significant investmentA PR would not be accepted without a plan for ongoing support

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