Properly refer to Java "long" as "jlong"

Bug: 123684965
Test: make and open Google Play
Change-Id: Ib8dc167c5ed0866c0687d7e71b28006d1bf2a35e

core/jni/android/graphics/Shader.cpp

@@ -106,7 +106,7 @@ static std::vector<SkColor4f> convertColorLongs(JNIEnv* env, jlongArray colorArr
 
 static jlong LinearGradient_create(JNIEnv* env, jobject, jlong matrixPtr,
         jfloat x0, jfloat y0, jfloat x1, jfloat y1, jlongArray colorArray,
-        jfloatArray posArray, jint tileMode, long colorSpaceHandle) {
+        jfloatArray posArray, jint tileMode, jlong colorSpaceHandle) {
     SkPoint pts[2];
     pts[0].set(x0, y0);
     pts[1].set(x1, y1);