Start from a new tmp folder by default

This is to fix the potential problem of not downloading the updated test
script.

Bug: 246959743
Test: atest -v -s xxxx android.videoencodingquality.cts
Change-Id: Ib426f11100bf12aa58837800899318e55a03a53e
diff --git a/hostsidetests/mediapc/videoencodingquality/src/CtsVideoEncodingQualityHostTest.java b/hostsidetests/mediapc/videoencodingquality/src/CtsVideoEncodingQualityHostTest.java
index 0461a10..544c36c 100644
--- a/hostsidetests/mediapc/videoencodingquality/src/CtsVideoEncodingQualityHostTest.java
+++ b/hostsidetests/mediapc/videoencodingquality/src/CtsVideoEncodingQualityHostTest.java
@@ -60,7 +60,7 @@
     private boolean mDisableB = false;
 
     @Option(name = "reset", description = "Start with a fresh directory.")
-    private boolean mReset = false;
+    private boolean mReset = true;
 
     @Option(name = "quick-check", description = "Run a quick check.")
     private boolean mQuickCheck = false;