soong_config: Add TARGET_NEEDS_PLATFORM_TEXT_RELOCATIONS

* Soong product variable 'needs_text_relocations'

Change-Id: Ia22c94922f37c49f0d66a67747efa0ee97b4e477
Signed-off-by: Adrian DC <radian.dc@gmail.com>
diff --git a/build/soong/android/variable.go b/build/soong/android/variable.go
index 08a30ba..2ff8da0 100644
--- a/build/soong/android/variable.go
+++ b/build/soong/android/variable.go
@@ -7,9 +7,14 @@
 	Uses_media_extensions struct {
 		Cflags []string
 	}
+
+	Needs_text_relocations struct {
+		Cppflags []string
+	}
 }
 
 type ProductVariables struct {
 	Has_legacy_camera_hal1  *bool `json:",omitempty"`
 	Uses_media_extensions   *bool `json:",omitempty"`
+	Needs_text_relocations  *bool `json:",omitempty"`
 }
diff --git a/build/soong/soong_config.mk b/build/soong/soong_config.mk
index 2c01471..02aeeb5 100644
--- a/build/soong/soong_config.mk
+++ b/build/soong/soong_config.mk
@@ -4,4 +4,5 @@
 	echo '{'; \
 	echo '    "Has_legacy_camera_hal1": $(if $(filter true,$(TARGET_HAS_LEGACY_CAMERA_HAL1)),true,false),'; \
 	echo '    "Uses_media_extensions": $(if $(filter true,$(TARGET_USES_MEDIA_EXTENSIONS)),true,false),'; \
+	echo '    "Needs_text_relocations": $(if $(filter true,$(TARGET_NEEDS_PLATFORM_TEXT_RELOCATIONS)),true,false),'; \
 	echo '') > $(SOONG_VARIABLES_TMP)