java: fix return types and arrays for mpu60x0 and mpu9150

Signed-off-by: Petre Eftime <petre.p.eftime@intel.com>
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>

src/mpu9150/mpu60x0.h

@@ -808,6 +808,23 @@ namespace upm {
      */
     void getGyroscope(float *x, float *y, float *z);
 
+#ifdef SWIGJAVA
+    /**
+     * get the accelerometer values
+     *
+     * @return Array containing X, Y, Z accelerometer values
+     */
+    float *getAccelerometer();
+
+    /**
+     * get the gyroscope values
+     *
+     * @return Array containing X, Y, Z gyroscope values
+     */
+    float *getGyroscope();
+#endif
+
+
     /**
      * get the temperature value
      *