Sort soong variables alphabetically

Change-Id: I880b07972fefb7fa2b40ab4aeacd073fb9a942b4
diff --git a/build/soong/android/variable.go b/build/soong/android/variable.go
index 753c884..d137d0e 100644
--- a/build/soong/android/variable.go
+++ b/build/soong/android/variable.go
@@ -31,21 +31,21 @@
 	Supports_hw_fde_perf struct {
 		Cflags []string
 	}
+	Target_ignores_ftp_pptp_conntrack_failure struct {
+		Cppflags []string
+	}
 	Target_init_vendor_lib struct {
 		Whole_static_libs []string
 	}
+	Target_needs_netd_direct_connect_rule struct {
+		Cppflags []string
+	}
 	Target_process_sdk_version_override struct {
 		Cppflags []string
 	}
 	Target_shim_libs struct {
 		Cppflags []string
 	}
-	Target_needs_netd_direct_connect_rule struct {
-		Cppflags []string
-	}
-	Target_ignores_ftp_pptp_conntrack_failure struct {
-		Cppflags []string
-	}
 	Uses_generic_camera_parameter_library struct {
 		Srcs []string
 	}
@@ -66,17 +66,17 @@
 	Apply_msm8974_1440p_egl_workaround  *bool `json:",omitempty"`
 	Bootloader_message_offset  *int `json:",omitempty"`
 	Has_legacy_camera_hal1  *bool `json:",omitempty"`
+	Recovery_skip_ev_rel_input  *bool `json:",omitempty"`
 	Should_wait_for_qsee  *bool `json:",omitempty"`
 	Specific_camera_parameter_library  *string `json:",omitempty"`
 	Supports_extended_compress_format  *bool `json:",omitempty"`
-	Recovery_skip_ev_rel_input  *bool `json:",omitempty"`
 	Supports_hw_fde  *bool `json:",omitempty"`
 	Supports_hw_fde_perf  *bool `json:",omitempty"`
+	Target_ignores_ftp_pptp_conntrack_failure  *bool `json:",omitempty"`
 	Target_init_vendor_lib  *string `json:",omitempty"`
+	Target_needs_netd_direct_connect_rule  *bool `json:",omitempty"`
 	Target_process_sdk_version_override  *string `json:",omitempty"`
 	Target_shim_libs  *string `json:",omitempty"`
-	Target_needs_netd_direct_connect_rule  *bool `json:",omitempty"`
-	Target_ignores_ftp_pptp_conntrack_failure  *bool `json:",omitempty"`
 	Uses_generic_camera_parameter_library  *bool `json:",omitempty"`
 	Uses_nvidia_enhancements  *bool `json:",omitempty"`
 	Uses_qcom_bsp_legacy  *bool `json:",omitempty"`