Add a new SF property for setting uclamp.min

Bug: 190137562
Test: boot and check uclamp.min of SF
Signed-off-by: Wei Wang <wvw@google.com>
Change-Id: I2acca834f6257f5e718413b831b78c487520b0cd
diff --git a/private/property_contexts b/private/property_contexts
index 2a9c4d2..a8356c7 100644
--- a/private/property_contexts
+++ b/private/property_contexts
@@ -1066,6 +1066,7 @@
 ro.surface_flinger.enable_frame_rate_override             u:object_r:surfaceflinger_prop:s0 exact bool
 ro.surface_flinger.enable_layer_caching                   u:object_r:surfaceflinger_prop:s0 exact bool
 ro.surface_flinger.display_update_imminent_timeout_ms     u:object_r:surfaceflinger_prop:s0 exact int
+ro.surface_flinger.uclamp.min                             u:object_r:surfaceflinger_prop:s0 exact int
 
 ro.sf.disable_triple_buffer u:object_r:surfaceflinger_prop:s0 exact bool
 ro.sf.lcd_density           u:object_r:surfaceflinger_prop:s0 exact int