Updated the default value of debug.sf.enable_gl_backpressure to 1.

Bug: 233818658
Test: Manual
Change-Id: I7cb62237804c3e04bb4525f9ff40cd842b2b4d2e
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index a4fb0dc..5724800 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -369,7 +369,7 @@
     int debugDdms = atoi(value);
     ALOGI_IF(debugDdms, "DDMS debugging not supported");
 
-    property_get("debug.sf.enable_gl_backpressure", value, "0");
+    property_get("debug.sf.enable_gl_backpressure", value, "1");
     mPropagateBackpressureClientComposition = atoi(value);
     ALOGI_IF(mPropagateBackpressureClientComposition,
              "Enabling backpressure propagation for Client Composition");