sanders: enable early phase offsets

Since we hit GL comp quite frequently during app transitions, we
need to enable early phase offsets to give it enough time for
composition.

Test: Open app, make sure vsync-offsets shift
Bug: 75985430
Change-Id: I2f85bf72a4b135dce664f7274848f3956a9aaf7a
Signed-off-by: celtare21 <celtare21@gmail.com>
Signed-off-by: ronaxdevil <pratabidya.007@gmail.com>

vendor_prop.mk

@@ -123,6 +123,7 @@ PRODUCT_PROPERTY_OVERRIDES += \
     debug.egl.hw=0 \
     debug.sf.hw=0 \
     debug.sf.latch_unsignaled=1 \
+    debug.sf.early_phase_offset_ns=5000000 \
     persist.hwc.mdpcomp.enable=true \
     dev.pm.dyn_samplingrate=1 \
     persist.demo.hdmirotationlock=false \