Fix typo. Properies -> Properties.

Test: make checkbuild
Bug: None
Change-Id: I0b5e3dd44f507207f2de90e922dd7016cffce118
diff --git a/cc/ndk_headers.go b/cc/ndk_headers.go
index 9fabc97..866479d 100644
--- a/cc/ndk_headers.go
+++ b/cc/ndk_headers.go
@@ -45,7 +45,7 @@
 	return getNdkSysrootBase(ctx).Join(ctx, "usr/include")
 }
 
-type headerProperies struct {
+type headerProperties struct {
 	// Base directory of the headers being installed. As an example:
 	//
 	// ndk_headers {
@@ -72,7 +72,7 @@
 type headerModule struct {
 	android.ModuleBase
 
-	properties headerProperies
+	properties headerProperties
 
 	installPaths android.Paths
 	licensePath  android.ModuleSrcPath
@@ -154,7 +154,7 @@
 	return module
 }
 
-type preprocessedHeaderProperies struct {
+type preprocessedHeaderProperties struct {
 	// Base directory of the headers being installed. As an example:
 	//
 	// preprocessed_ndk_headers {
@@ -184,7 +184,7 @@
 type preprocessedHeaderModule struct {
 	android.ModuleBase
 
-	properties preprocessedHeaderProperies
+	properties preprocessedHeaderProperties
 
 	installPaths android.Paths
 	licensePath  android.ModuleSrcPath