Update cc_fuzz rule - add library_path param

Test: make haiku

Change-Id: Iacdccb8fbc4a0937693a41ddc2107b4584203b94

fuzz/fuzz_common.go

@@ -151,6 +151,8 @@ type FuzzConfig struct {
 	// If there's a Java fuzzer with JNI, a different version of Jazzer would
 	// need to be added to the fuzzer package than one without JNI
 	IsJni *bool `json:"is_jni,omitempty"`
+	// Top-level paths to the library being fuzzed (e.g. "external/icu")
+	Library_paths []string `json:"library_paths,omitempty"`
 }
 
 type FuzzFrameworks struct {