Merge "Fix max touch count calculation in TouchpadInputMapper"

namespace {

short getMaxTouchCount(const InputDeviceContext& context) {

    if (context.hasKeyCode(BTN_TOOL_QUINTTAP)) return 5;

    if (context.hasKeyCode(BTN_TOOL_QUADTAP)) return 4;

    if (context.hasKeyCode(BTN_TOOL_TRIPLETAP)) return 3;

    if (context.hasKeyCode(BTN_TOOL_DOUBLETAP)) return 2;

    if (context.hasKeyCode(BTN_TOOL_FINGER)) return 1;

    if (context.hasScanCode(BTN_TOOL_QUINTTAP)) return 5;

    if (context.hasScanCode(BTN_TOOL_QUADTAP)) return 4;

    if (context.hasScanCode(BTN_TOOL_TRIPLETAP)) return 3;

    if (context.hasScanCode(BTN_TOOL_DOUBLETAP)) return 2;

    if (context.hasScanCode(BTN_TOOL_FINGER)) return 1;

    return 0;

}