gapis/trace/android: Better default action selection.
gapis/trace/android: Better default action selection.

 - Prefer main actions if there are multiple actions, none marked as
   the launch action
 - Consider the filtering of activities without actions, when choosing
   the default activity for an app.

Qining/gapid,pmuetschard/gapid,google/gapid,pmuetschard/gapid,google/gapid,google/gapid,Qining/gapid,google/agi,pmuetschard/gapid,google/agi,Qining/gapid,Qining/gapid,google/agi,google/agi,pmuetschard/gapid,google/agi,pmuetschard/gapid,google/gapid,Qining/gapid,google/agi,pmuetschard/gapid,google/agi,Qining/gapid,google/gapid,google/gapid,google/gapid,google/agi,Qining/gapid,pmuetschard/gapid,Qining/gapid,pmuetschard/gapid,google/gapid