Android: Netplay controller mapping

Android: Fix Crash when loading Skylanders file

TypedArray doesn't implement AutoCloseable on older devices so .use{} caused a crash.

It turned out the special handling for background colours was unnecessary anyway.

Android: Make vibration length variable

- Switch from ActivityResultContracts.GetContent() to OpenDocument()
  which restores ACTION_OPEN_DOCUMENT behavior, granting write access
  to file descriptors opened in C++ via ContentHandler.openFd().
- Replace unsafe force-unwraps (!!) in EmulationActivity with null checks.

UI for assigning netplay players to gamecube ports and wii remotes.

- Improve the column measurement logic so it updates the column width when text changes.
- Use matchParentSize on the clickable target in OutlinedBox so that it is clickable when the OutlinedBox contains contents with dynamic height.

Android: Add global settings search

Android: Dual core warning when hosting netplay