Merge changes I7bc4d8d4,I8158c0b9 into main

* changes:
  Use merge_zips instead of ziptime for resetting timestamps in jacoco outputs
  Always reset timestamps in merge_zips

java/jacoco.go

@@ -34,13 +34,11 @@ var (
 			`${config.Zip2ZipCmd} -i $in -o $strippedJar $stripSpec && ` +
 			`${config.JavaCmd} ${config.JavaVmFlags} -jar ${config.JacocoCLIJar} ` +
 			`  instrument --quiet --dest $tmpDir $strippedJar && ` +
-			`${config.Ziptime} $tmpJar && ` +
 			`${config.MergeZipsCmd} --ignore-duplicates -j $out $tmpJar $in`,
 		CommandDeps: []string{
 			"${config.Zip2ZipCmd}",
 			"${config.JavaCmd}",
 			"${config.JacocoCLIJar}",
-			"${config.Ziptime}",
 			"${config.MergeZipsCmd}",
 		},
 	},