Delete KTX tests to fix Android build

tests/KtxTest.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "Resources.h"
 #include "SkBitmap.h"
 #include "SkData.h"
@@ skipping 124 matching lines @@
 
     uint8_t *row = decodedPixels;
     for (int j = 0; j < decodedBitmap.height(); ++j) {
         for (int i = 0; i < decodedBitmap.width(); ++i) {
             SkPMColor pixel = *(reinterpret_cast<SkPMColor*>(row + i*sizeof(SkPMColor)));
             REPORTER_ASSERT(reporter, SkPreMultiplyARGB(0x80, 0xFF, 0xFF, 0xFF) == pixel);
         }
         row += decodedBitmap.rowBytes();
     }
 }
-
-// For KtxReexportPKM, below. Defined in SkImageDecoder_ktx.cpp
-extern SkImageGenerator* decoder_image_generator(SkData*);
-
-/**
- * Finally, make sure that if we get ETC1 data from a PKM file that we can then
- * accurately write it out into a KTX file (i.e. transferring the ETC1 data from
- * the PKM to the KTX should produce an identical KTX to the one we have on file)
- */
-DEF_TEST(KtxReexportPKM, reporter) {
-    SkString pkmFilename = GetResourcePath("mandrill_128.pkm");
-
-    // Load PKM file into a bitmap
-    SkBitmap etcBitmap;
-    SkAutoTUnref<SkData> fileData(SkData::NewFromFileName(pkmFilename.c_str()));
-    if (nullptr == fileData) {
-        SkDebugf("KtxReexportPKM: can't load test file %s\n", pkmFilename.c_str());
-        return;
-    }
-
-    bool installDiscardablePixelRefSuccess =
-        SkDEPRECATED_InstallDiscardablePixelRef(decoder_image_generator(fileData), &etcBitmap);
-    if (!installDiscardablePixelRefSuccess) {
-        ERRORF(reporter, "failed to create discardable pixelRef from KTX file");
-        return;
-    }
-
-    // Write the bitmap out to a KTX file.
-    SkData *ktxDataPtr = SkImageEncoder::EncodeData(etcBitmap, SkImageEncoder::kKTX_Type, 0);
-    SkAutoDataUnref newKtxData(ktxDataPtr);
-    REPORTER_ASSERT(reporter, ktxDataPtr);
-
-    // See is this data is identical to data in existing ktx file.
-    SkString ktxFilename = GetResourcePath("mandrill_128.ktx");
-    SkAutoDataUnref oldKtxData(SkData::NewFromFileName(ktxFilename.c_str()));
-    REPORTER_ASSERT(reporter, oldKtxData->equals(newKtxData));
-}