Add layer filter to winscope

Uses the same semantics as property filter but is applied to the
hierarchy. If a filter is matches, the nodes children will be shown.

Example: filter by layer ids: 12,14,15
filter by layer name: Wallpaper

Test: open transaction trace and layer trace in winscope
Fixes: 152647597
Change-Id: I2bee5bbf5e4b14efb6aadee5775b46499e8f2ec9
2 files changed