Rename surfaceflinger properties' contexts

Cleaning up exported*_system_prop and moving surfaceflinger properties
to new property contexts.

Bug: 152468529
Bug: 154885206
Test: boot cf_x86 and crosshatch
Change-Id: I7f8a684e9cbabce2f55a5292d7b2283ac0716cd9
diff --git a/private/compat/26.0/26.0.ignore.cil b/private/compat/26.0/26.0.ignore.cil
index b7d6b66..cb7eb22 100644
--- a/private/compat/26.0/26.0.ignore.cil
+++ b/private/compat/26.0/26.0.ignore.cil
@@ -163,6 +163,7 @@
     statscompanion_service
     storaged_data_file
     super_block_device
+    surfaceflinger_color_prop
     surfaceflinger_prop
     sysfs_fs_ext4_features
     system_boot_reason_prop