6744609: Disable MMX support when building libpng library
Summary: Define -DPNG_NO_MMX_CODE unconditionally, not just on 64-bit Linux
Reviewed-by: anthony, art
6738181: api/java_awt/Toolkit/index.html#GetAWTEventListeners Fails with:empty array returned unexpectedly
Summary: redirect getAWTEventListeners(long l) from Headless to underlying toolkit.
Reviewed-by: art