Support importing simpleperf trace files from Android Studio

[nisargjhaveri]

Fix #5203.

Attempt to add importer for simpleperf trace files. These can be generated using the simpleperf report-sample command or using Profiler UI in Android Studio.

Here is the file format details: https://cs.android.com/android/platform/superproject/main/+/main:system/extras/simpleperf/cmd_report_sample.proto

Added a couple of dependencies to work with protobuf. These will also be useful for more importers in future, I believe pprof also uses protobufs (in discussion at #4462).

This is one attempt. I'm fairly new to the codebase and Flow. Feel free to suggest any changes as required.

[codecov]

Codecov Report

Attention: Patch coverage is 6.56371% with 242 lines in your changes missing coverage. Please review.

Project coverage is 84.68%. Comparing base (28e880e) to head (5f4217d).
Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
src/profile-logic/import/simpleperf.js	6.22%	212 Missing and 29 partials ⚠️
src/profile-logic/process-profile.js	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5212      +/-   ##
==========================================
- Coverage   88.61%   84.68%   -3.94%     
==========================================
  Files         308      310       +2     
  Lines       28051    29576    +1525     
  Branches     7596     8156     +560     
==========================================
+ Hits        24858    25047     +189     
- Misses       2979     3884     +905     
- Partials      214      645     +431     

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