6831225: Upgrade JPRT jobs to use newer Linux 2.6 (e.g. Fedora 9)

Reviewed-by: tbell

make/jprt.properties

@@ -32,13 +32,13 @@ solaris_sparc_5.10,\
 solaris_sparcv9_5.10,\
 solaris_i586_5.10,\
 solaris_x64_5.10,\
-linux_i586,\
-linux_x64,\
+linux_i586_2.6,\
+linux_x64_2.6,\
 windows_i586,\
 windows_x64
 
 # The different build flavors we want
-jprt.build.flavors=product
+jprt.build.flavors=product,fastdebug
 
 # Explicitly designate what the 32bit match is for the 64bit build
 jprt.solaris_sparcv9.build.platform.match32=solaris_sparc_5.10