Remove more edge flag cruft.

static const size_t keyCodeRotationMapSize =

        sizeof(keyCodeRotationMap) / sizeof(keyCodeRotationMap[0]);

int32_t rotateKeyCode(int32_t keyCode, int32_t orientation) {

static int32_t rotateKeyCode(int32_t keyCode, int32_t orientation) {

    return rotateValueUsingRotationMap(keyCode, orientation,

            keyCodeRotationMap, keyCodeRotationMapSize);

}

static const int32_t edgeFlagRotationMap[][4] = {

        // edge flags enumerated counter-clockwise with the original (unrotated) edge flag first

        // no rotation,        90 degree rotation,  180 degree rotation, 270 degree rotation

        { AMOTION_EVENT_EDGE_FLAG_BOTTOM,   AMOTION_EVENT_EDGE_FLAG_RIGHT,

                AMOTION_EVENT_EDGE_FLAG_TOP,     AMOTION_EVENT_EDGE_FLAG_LEFT },

        { AMOTION_EVENT_EDGE_FLAG_RIGHT,  AMOTION_EVENT_EDGE_FLAG_TOP,

                AMOTION_EVENT_EDGE_FLAG_LEFT,   AMOTION_EVENT_EDGE_FLAG_BOTTOM },

        { AMOTION_EVENT_EDGE_FLAG_TOP,     AMOTION_EVENT_EDGE_FLAG_LEFT,

                AMOTION_EVENT_EDGE_FLAG_BOTTOM,   AMOTION_EVENT_EDGE_FLAG_RIGHT },

        { AMOTION_EVENT_EDGE_FLAG_LEFT,   AMOTION_EVENT_EDGE_FLAG_BOTTOM,

                AMOTION_EVENT_EDGE_FLAG_RIGHT,  AMOTION_EVENT_EDGE_FLAG_TOP },

};

static const size_t edgeFlagRotationMapSize =

        sizeof(edgeFlagRotationMap) / sizeof(edgeFlagRotationMap[0]);

static int32_t rotateEdgeFlag(int32_t edgeFlag, int32_t orientation) {

    return rotateValueUsingRotationMap(edgeFlag, orientation,

            edgeFlagRotationMap, edgeFlagRotationMapSize);

}

static inline bool sourcesMatchMask(uint32_t sources, uint32_t sourceMask) {

    return (sources & sourceMask & ~ AINPUT_SOURCE_CLASS_MASK) != 0;

}