BUILDBOT: Switch Android archive packaging to zip as intial test.

This is not final code as once this is working, this should be migrated
to a config[] parameter.

config/master.cfg

@@ -1207,13 +1207,17 @@ for name, config in scumm_platforms_master.items():
 		if config.has_key("strip"):
 			f.addStep(scumm.Strip(command = config["strip"]))
 
+	arch_format = "tar.bz"
+	if name == "android":
+		arch_format = "zip"
+
 	f.addStep(scumm.Package(disttarget = platform_disttarget,
 							srcpath = "../../src-master/src/",
 							dstpath = scumm_package_dst_master,
 							package = scumm_package_master,
 							buildname = name + "-%s" % scumm_branch_master_desc,
 							platform_package = config["package"],
-							archive_format = "tar.bz2",
+							archive_format = arch_format,
 							env = config["env"]))
 
 	c["builders"].append( {
@@ -1258,13 +1262,17 @@ for name, config in scumm_platforms_stable.items():
 		if config.has_key("strip"):
 			f.addStep(scumm.Strip(command = config["strip"]))
 
+	arch_format = "tar.bz"
+	if name == "android":
+		arch_format = "zip"
+
 	f.addStep(scumm.Package(disttarget = platform_disttarget,
 							srcpath = "../../src-stable/src/",
 							dstpath = scumm_package_dst_stable,
 							package = scumm_package_stable,
 							buildname = name + "-%s" % scumm_branch_stable_desc,
 							platform_package = config["package"],
-							archive_format = "tar.bz2",
+							archive_format = arch_format,
 							env = config["env"]))
 
 	c["builders"].append( {
@@ -1312,13 +1320,17 @@ for name, config in scumm_platforms_master.items():
 	#	if config.has_key("strip"):
 	#		f.addStep(scumm.Strip(command = config["strip"]))
 
+	arch_format = "tar.bz"
+	if name == "android":
+		arch_format = "zip"
+
 	f.addStep(scumm.Package(disttarget = platform_disttarget,
 							srcpath = "../../src-tools-master/src/",
 							dstpath = scumm_tools_package_dst_master,
 							package = scumm_tools_package_master,
 							buildname = name + "-%s" % scumm_tools_branch_master_desc,
 							platform_package = config["package-tools"],
-							archive_format = "tar.bz2",
+							archive_format = arch_format,
 							env = config["env"]))
 
 	c["builders"].append( {