Merge branch 'bytealign_encoder' into 'master'

fix byte alignment for PTL also at encoder

See merge request jvet/VVCSoftware_VTM!399

source/Lib/EncoderLib/VLCWriter.cpp

@@ -1549,7 +1549,7 @@ void  HLSWriter::codeProfileTierLevel    ( const ProfileTierLevel* ptl, int maxN
     WRITE_FLAG( ptl->getSubLayerLevelPresentFlag(i),   "sub_layer_level_present_flag[i]" );
   }
 
-  while (!xIsByteAligned())
+  while (!isByteAligned())
   {
     WRITE_FLAG(0, "ptl_alignment_zero_bit");
   }

source/Lib/EncoderLib/VLCWriter.h

@@ -89,7 +89,7 @@ protected:
 #endif
   void  xWriteRbspTrailingBits();
 #if JVET_M0101_HLS
-  bool xIsByteAligned()      {return (m_pcBitIf->getNumBitsUntilByteAligned() != 0); } ;
+  bool isByteAligned()      { return (m_pcBitIf->getNumBitsUntilByteAligned() == 0); } ;
 #endif
 };