RFR: JDK-8210949 Stop filtering out -xc99=%none for liblcms

[Magnus Ihse Bursie]

We're currently filtering out -xc99=%none from CFLAGS_JDKLIB in liblcms. 
We do not need to to this. Appending -xc99=no_lib using CFLAGS_solaris 
is enough to override.

Bug: https://bugs.openjdk.java.net/browse/JDK-8210949
Patch inline:
diff --git a/make/lib/Awt2dLibraries.gmk b/make/lib/Awt2dLibraries.gmk
--- a/make/lib/Awt2dLibraries.gmk
+++ b/make/lib/Awt2dLibraries.gmk
@@ -357,8 +357,6 @@
  # The fast floor code loses precision.
  LCMS_CFLAGS=-DCMS_DONT_USE_FAST_FLOOR

-LCMS_CFLAGS_JDKLIB := $(filter-out -xc99=%none, $(CFLAGS_JDKLIB))
-
  ifeq ($(USE_EXTERNAL_LCMS), true)
    # If we're using an external library, we'll just need the wrapper part.
    # By including it explicitly, all other files will be excluded.
@@ -374,7 +372,7 @@
      NAME := lcms, \
      INCLUDE_FILES := $(BUILD_LIBLCMS_INCLUDE_FILES), \
      OPTIMIZATION := HIGHEST, \
-    CFLAGS := $(LCMS_CFLAGS_JDKLIB) \
+    CFLAGS := $(CFLAGS_JDKLIB) \
          $(LCMS_CFLAGS), \
      CFLAGS_solaris := -xc99=no_lib, \
      CFLAGS_windows := -DCMS_IS_WINDOWS_, \

/Magnus