Rename ccConfig to cc_config

Follow up from aosp/1413495 to set a consistent name throughout the
package.

Test: m
Change-Id: Idafcd973e7d874cd97599ac419c2972a8a5cd0b4
diff --git a/rust/config/global.go b/rust/config/global.go
index 88d4139..2f4d930 100644
--- a/rust/config/global.go
+++ b/rust/config/global.go
@@ -56,7 +56,7 @@
 		"-Wl,--no-undefined",
 		"-Wl,--hash-style=gnu",
 
-		"-B${ccConfig.ClangBin}",
+		"-B${cc_config.ClangBin}",
 		"-fuse-ld=lld",
 	}
 )
@@ -82,8 +82,8 @@
 	pctx.StaticVariable("RustPath", "${RustBase}/${HostPrebuiltTag}/${RustVersion}")
 	pctx.StaticVariable("RustBin", "${RustPath}/bin")
 
-	pctx.ImportAs("ccConfig", "android/soong/cc/config")
-	pctx.StaticVariable("RustLinker", "${ccConfig.ClangBin}/clang++")
+	pctx.ImportAs("cc_config", "android/soong/cc/config")
+	pctx.StaticVariable("RustLinker", "${cc_config.ClangBin}/clang++")
 	pctx.StaticVariable("RustLinkerArgs", "")
 
 	pctx.StaticVariable("DeviceGlobalLinkFlags", strings.Join(deviceGlobalLinkFlags, " "))