Ignore fixBitmapToRequestedDimensions if we're unable to determine source dimens.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=171204273

library/src/main/java/com/bumptech/glide/load/resource/bitmap/Downsampler.java

@@ -271,7 +271,8 @@ public final class Downsampler {
     if ((options.inSampleSize == 1 || isKitKatOrGreater) && shouldUsePool(imageType)) {
       int expectedWidth;
       int expectedHeight;
-      if (fixBitmapToRequestedDimensions && isKitKatOrGreater) {
+      if (sourceWidth >= 0 && sourceHeight >= 0
+          && fixBitmapToRequestedDimensions && isKitKatOrGreater) {
         expectedWidth = targetWidth;
         expectedHeight = targetHeight;
       } else {
@@ -336,6 +337,10 @@ public final class Downsampler {
       BitmapFactory.Options options) throws IOException {
     // We can't downsample source content if we can't determine its dimensions.
     if (sourceWidth <= 0 || sourceHeight <= 0) {
+      if (Log.isLoggable(TAG, Log.DEBUG)) {
+        Log.d(TAG, "Unable to determine dimensions for: " + imageType
+            + " with target [" + targetWidth + "x" + targetHeight + "]");
+      }
       return;
     }
 

library/src/main/java/com/bumptech/glide/util/MarkEnforcingInputStream.java

@@ -57,7 +57,7 @@ public class MarkEnforcingInputStream extends FilterInputStream {
   public long skip(long byteCount) throws IOException {
     long toSkip = getBytesToRead(byteCount);
     if (toSkip == END_OF_STREAM) {
-      return END_OF_STREAM;
+      return 0;
     }
 
     long read = super.skip(toSkip);

library/src/test/java/com/bumptech/glide/util/MarkEnforcingInputStreamTest.java

@@ -135,7 +135,7 @@ public class MarkEnforcingInputStreamTest {
     is.mark(MARK_LIMIT);
 
     assertEquals(MARK_LIMIT, is.skip(DATA_SIZE));
-    assertEquals(-1, is.skip(1));
+    assertEquals(0, is.skip(1));
   }
 
   @Test