Correct tags on StaticSharedLibraryProperties.Cflags

Remove path as cflags are not paths.

Test: m nothing
Change-Id: Ia3f3064cb6642a67e8320ab3c472af2ad5863b52
diff --git a/cc/library.go b/cc/library.go
index 24985df..7cbfdb5 100644
--- a/cc/library.go
+++ b/cc/library.go
@@ -33,7 +33,7 @@
 
 type StaticSharedLibraryProperties struct {
 	Srcs   []string `android:"path,arch_variant"`
-	Cflags []string `android:"path,arch_variant"`
+	Cflags []string `android:"arch_variant"`
 
 	Enabled            *bool    `android:"arch_variant"`
 	Whole_static_libs  []string `android:"arch_variant"`