This trace is ES 3.0 based and geometry heavy.

Test: angle_perftests --gtest_filter="*slingshot_test1*"
Tbr: jmadill@google.com,timvp@google.com
Bug: b/185595371
Bug: angleproject:5877
Change-Id: I8528d399fedbe6ea3a07297a869f33de4605c946
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2832672Reviewed-by: Cody Northrop <cnorthrop@google.com>
Commit-Queue: Cody Northrop <cnorthrop@google.com>