Create GetVisibleWidth in TimeGraph

Reinitialize CodedInputStream to work around the INT_MAX limitation

Bug: http://b/193764324

Fix file name conflict issue

And sequence number to file name if file already
exists.

Test: Manual - press x many times see that files with suffixes are
      created
Bug: http://b/191247811

Set pretty(demangled)_name when constructing FunctionInfo from Instru…

…mentedFunction

Bug: http://b/189222632
Test: run capture on OrbitTestLegacyApi

Fix crash when hovering on manually instrumented async scope

TimerInfo::kApiEvent don't have an "InstrumentedFunction" associated
with them so don't expect one.

Test: profile OrbitTest with manual instrumentation enabled, hover on
a profiling scope in one of the "async" tracks.

Clear viewport dirty flag before rendering

This allows the GlCanvas::Draw() method to update the viewport, which
will correctly mark it as dirty again and trigger a new rendering next
frame.

Capture() now waits for the Dialog to disappear

(cherry picked from commit 99c86ee18e768194af5bfb4d502cca9296e07f12)

Hide SourcePathsMapping button behing feature flag

Fix crash on unhooking function when capture_data is not available

Test: Start Orbit, load preset, unhook a function,
      make sure there is no crash.
Bug: http://b/179787649

Update orbit_tracks E2E test

Some tracks are not present on the devkit which fails the test. Changed
the MatchTracks test to handle "or" options for tracks and adjusted the
list of tracks.