Bug 1615275 - Add temporary suppression for GetVelocity data race. r=mccr8

Differential Revision: https://phabricator.services.mozilla.com/D62887

--HG--
extra : moz-landing-system : lando

mozglue/build/TsanOptions.cpp

@@ -327,6 +327,10 @@ extern "C" const char* __tsan_default_suppressions() {
          "race:CacheEntry::Purge\n"
          "race:CacheEntry::MetaDataReady\n"
 
+         // Bug 1615275
+         "race:^GetVelocity$\n"
+         "race:^EndTouch$\n"
+
          // ~GLContextGLX unlocks a libGL mutex that cannot be seen
          // by TSan because libGL is not instrumented.
          "mutex:GLContextGLX::~GLContextGLX\n"