ndk v0.8.0 beta.0

• event: Add tool_type getter for Pointer. (#323)
• input_queue: Allow any non-zero return code from pre_dispatch() again, as per documentation. (#325)
• asset: Use entire asset length when mapping buffer. (#387)
• Bump MSRV to 1.64 for raw-window-handle 0.5.1. (#388)
• Bump optional jni dependency for doctest example from 0.19 to 0.21. (#390)
• Breaking: Upgrade to ndk-sys 0.5.0. (#370)
• Breaking: Upgrade bitflags crate from 1 to 2. (#394)
• bitmap: Add try_format() to AndroidBitmapInfo to handle unexpected formats without panicking. (#395)
• Breaking: Upgrade num_enum crate from 0.5.1 to 0.7. (#398, #419)
• Breaking: Renamed and moved "media" error types and helpers to a new media_error module. (#399)
• Breaking: media_codec: Wrap common dequeued-buffer status codes in enum. (#401)
• Breaking: media_codec: Return MaybeUninit bytes in buffer_mut(). (#403)
• native_window: Add lock() to blit raw pixel data. (#404)
• hardware_buffer_format: Add YCbCr_P010 and R8_UNORM variants. (#405)
• Breaking: hardware_buffer_format: Add catch-all variant. (#407)
• Breaking: media_codec: Add support for asynchronous notification callbacks. (#410)
• Add panic guards to callbacks. (#412)
• looper: Add remove_fd() to unregister events/callbacks for a file descriptor. (#416)
• Breaking: Use BorrowedFd and OwnedFd to clarify possible ownership transitions. (#417)
• Breaking: Upgrade to ndk-sys 0.5.0. (#420)