Update .gitignore

Change-Id: Iec9676bf610362a9446dae84549778217003b846
diff --git a/.gitignore b/.gitignore
index 3bb46e9..1e383d2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -27,6 +27,8 @@
 third_party/android_jar/lib.tar.gz
 third_party/android_jar/lib-v[0-9][0-9]
 third_party/android_jar/lib-v[0-9][0-9].tar.gz
+third_party/benchmarks/kotlin-benches
+third_party/benchmarks/kotlin-benches.tar.gz
 third_party/benchmarks/santa-tracker
 third_party/benchmarks/santa-tracker.tar.gz
 third_party/desugar/desugar_*/
@@ -74,7 +76,8 @@
 gradlew
 gradlew.bat
 gradle/*
-r8.iml
+*.dex
+*.iml
 r8.ipr
 r8.iws
 #*#