moving back ANR timeout from long to int param.

[marandaneto]

📢 Type of change

• Bugfix
• New feature
• Enhancement
• Refactoring

📜 Description

moving back ANR timeout from long to int param..

💡 Motivation and Context

as a long, it was gonna require that users set value with an "l" or "L" at the end, like 1000l, and might cause a lot of noise to us on support, so a normal int would be fine and we convert it to long.
how it is:
<meta-data android:name="io.sentry.anr.timeout-interval-mills" android:value="1000l" />

how it's gonna be:
<meta-data android:name="io.sentry.anr.timeout-interval-mills" android:value="1000" />

💚 How did you test it?

ran unit tests.

📝 Checklist

• I reviewed submitted code
• I added tests to verify changes
• All tests passing

🔮 Next steps

[codecov-io]

Codecov Report

Merging #252 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #252   +/-   ##
=========================================
  Coverage     57.26%   57.26%           
  Complexity      576      576           
=========================================
  Files            73       73           
  Lines          2761     2761           
  Branches        234      234           
=========================================
  Hits           1581     1581           
  Misses         1062     1062           
  Partials        118      118

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