use new api for passing colortable to allocPixels

TEST(Bitmap, colorTableRefCounting) {

    const SkPMColor c[] = { SkPackARGB32(0x80, 0x80, 0, 0) };

    SkColorTable* ctable = new SkColorTable(c, SK_ARRAY_COUNT(c));

    sk_sp<SkColorTable> ctable = SkColorTable::Make(c, SK_ARRAY_COUNT(c));

    SkBitmap* bm = new SkBitmap();

    bm->allocPixels(SkImageInfo::Make(1, 1, kIndex_8_SkColorType, kPremul_SkAlphaType),

            nullptr, ctable);

    sk_sp<Bitmap> bitmap = Bitmap::allocateHeapBitmap(bm, ctable);

            ctable);

    sk_sp<Bitmap> bitmap = Bitmap::allocateHeapBitmap(bm, ctable.get());

    EXPECT_FALSE(ctable->unique());

    delete bm;

    bitmap.reset();

    EXPECT_TRUE(ctable->unique());

    ctable->unref();

}