[SfStats] Temporarily enable timestats by default.

Dogfood devices right now don't have telemetry enabled while we move
onto statsd, so this code is not exercised at all in dogfood.

Bug: 136597024
Bug: 140266250
Test: adb shell dumpsys SurfaceFlinger --timestats -dump
Change-Id: Ia11b980107efc8a8788aa3720ebd735f63a5fb8a
diff --git a/services/surfaceflinger/tests/unittests/TimeStatsTest.cpp b/services/surfaceflinger/tests/unittests/TimeStatsTest.cpp
index ffacbfe..dee2cae 100644
--- a/services/surfaceflinger/tests/unittests/TimeStatsTest.cpp
+++ b/services/surfaceflinger/tests/unittests/TimeStatsTest.cpp
@@ -209,6 +209,10 @@
     return distr(mRandomEngine);
 }
 
+TEST_F(TimeStatsTest, enabledByDefault) {
+    ASSERT_TRUE(mTimeStats->isEnabled());
+}
+
 TEST_F(TimeStatsTest, canEnableAndDisableTimeStats) {
     EXPECT_TRUE(inputCommand(InputCommand::ENABLE, FMT_STRING).empty());
     ASSERT_TRUE(mTimeStats->isEnabled());