Add hs_err log files to .gitignore

Change-Id: If7b0fca4b5c7ce9a73972fefdd736b859fbfebfc
diff --git a/.gitignore b/.gitignore
index 20e754d..fc5b09b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,6 +24,7 @@
 gradlew
 gradlew.bat
 d8_r8/gradle*
+d8_r8/test/hs_err_pid*.log
 local.properties
 r8.ipr
 r8.iws