Pass -t epoch to jetifier

Pass -t epoch to jetifier to get reproducible output files from it.

Bug: 262448304
Test: builds
Change-Id: I65d42e5d556f27e15e6700363840857c1a25da74
diff --git a/java/builder.go b/java/builder.go
index b1b9a4a..6f8eec9 100644
--- a/java/builder.go
+++ b/java/builder.go
@@ -231,7 +231,7 @@
 
 	jetifier = pctx.AndroidStaticRule("jetifier",
 		blueprint.RuleParams{
-			Command:     "${config.JavaCmd}  ${config.JavaVmFlags} -jar ${config.JetifierJar} -l error -o $out -i $in",
+			Command:     "${config.JavaCmd}  ${config.JavaVmFlags} -jar ${config.JetifierJar} -l error -o $out -i $in -t epoch",
 			CommandDeps: []string{"${config.JavaCmd}", "${config.JetifierJar}"},
 		},
 	)