Move forceSRGB to SkCommonFlags

tools/flags/SkCommonFlags.cpp

Index: tools/flags/SkCommonFlags.cpp
diff --git a/tools/flags/SkCommonFlags.cpp b/tools/flags/SkCommonFlags.cpp
index 1caffd54d6a5b58bca2cd481a6a618c0d57c6bf2..3da5efebc5d590d835870a7abb5ecbdf08f80e39 100644
--- a/tools/flags/SkCommonFlags.cpp
+++ b/tools/flags/SkCommonFlags.cpp
@@ -13,6 +13,8 @@ DEFINE_bool(cpu, true, "master switch for running CPU-bound work.");
 DEFINE_bool(dryRun, false,
             "just print the tests that would be run, without actually running them.");
 
+DEFINE_bool(forceSRGB, false, "Force SRGB for imageinfos");
+
 DEFINE_bool(gpu, true, "master switch for running GPU-bound work.");
 
 DEFINE_string(images, "", "List of images and/or directories to decode. A directory with no images"