brining over fix in master (#4140) for libz import on 64-bit android

cmake/OpenCVFindLibsGrfmt.cmake

@@ -8,7 +8,8 @@ if(BUILD_ZLIB)
 else()
   include(FindZLIB)
   if(ZLIB_FOUND AND ANDROID)
-    if(ZLIB_LIBRARY STREQUAL "${ANDROID_SYSROOT}/usr/lib/libz.so")
+    if(ZLIB_LIBRARIES STREQUAL "${ANDROID_SYSROOT}/usr/lib/libz.so" OR
+        ZLIB_LIBRARIES STREQUAL "${ANDROID_SYSROOT}/usr/lib64/libz.so")
       set(ZLIB_LIBRARY z)
       set(ZLIB_LIBRARIES z)
     endif()