signzip: Support Oracle Java 9 and improve version detection
signzip: Support Oracle Java 9 and improve version detection

Change-Id: I806a8dd3ce937eaadff902aaaf25265f23c1a3c7
Signed-off-by: Adrian DC <01fb3892f39957945220431e7409156544d2f041@gmail.com>

AdrianDC/android_development_shell_tools,AdrianDC/android_development_shell_tools