[11u]: RFR: 8237192: Generate stripped/public pdbs on Windows for jdk images

[Langer, Christoph]

Hi,

please help to review a backport of JDK-8237192 Generate stripped/public pdbs on Windows for jdk images to OpenJDK 11.

Bug: https://bugs.openjdk.java.net/browse/JDK-8237192
Original Change: https://hg.openjdk.java.net/jdk/jdk/rev/9b999cf5e13a
Webrev: http://cr.openjdk.java.net/~clanger/webrevs/8237192.11u/

Apart from resolving some copyright year changes, I had to trivially resolve some hunks in  make/common/NativeCompilation.gmk, make/launcher/Launcher-java.base.gmk and make/scripts/compare.sh. In NativeCompilation.gmk, the variable $1_SYMBOLS_DIR of the original change had to be replaced with the equivalent $1_OUTPUT_DIR. Furthermore I had to replace calls to "isTargetOs" in the makefiles with equivalent constructs since that function is not available in 11.

Thanks
Christoph