Winscope: ViewerInput: Improve dispatch details formatting

- Show both window and raw coordinates for each pointer
- Show the index and ID for each pointer
- Format coordinates to 2 decimal places
- Use window name as the display name for the entry

Bug: 245989146
Test: Presbumit, manual
Flag: EXEMPT dev tool only
Change-Id: I75408ffce1eedcf6fae2e9de40208089228f2105