graphics/input: Adjust input tool priority and sampling rate

Align to monkey's priority, with a sampling rate similar to a real touch.

Signed-off-by: liuchan3 <liuchan3@xiaomi.com>

Author: xiaoliud

graphics/input/Kconfig

@@ -54,7 +54,7 @@ config GRAPHICS_INPUT_TOOL_STACKSIZE
 
 config GRAPHICS_INPUT_TOOL_PRIORITY
 	int "input priority"
-	default 100
+	default 110
 	---help---
 		The priority of the input task.
 

graphics/input/generator/input_gen_event.c

@@ -293,7 +293,7 @@ static int input_gen_motion(input_gen_ctx_t ctx,
     {
       uint32_t elapsed = input_gen_tick_elapsed(input_gen_tick_get(), start);
       ret = input_gen_write_motion(dev->fd, fingers, nfingers, elapsed);
-      if (ret == -EAGAIN && usleep(1000) < 0)
+      if (ret == -EAGAIN && usleep(8 * 1000) < 0)
         {
           nwarn("WARNING: Maybe interrupted by signal\n");
           input_gen_ungrab(dev);