Change name of overlay subdir 'sku'->'theme'

The name 'sku' does not fit well as we recommend to use the same
value for different SKUs if vendors wish to have the same colors
on those SKUs.

Bug: 32268656
Change-Id: Ib5e5a3386676453dafeb13a6a6bf91f81bb48a11
diff --git a/core/jni/android_util_AssetManager.cpp b/core/jni/android_util_AssetManager.cpp
index 52b7ef4..9423ec4 100644
--- a/core/jni/android_util_AssetManager.cpp
+++ b/core/jni/android_util_AssetManager.cpp
@@ -186,10 +186,10 @@
                 argv[argc++] = AssetManager::TARGET_APK_PATH;
                 argv[argc++] = AssetManager::IDMAP_DIR;
 
-                // Directories to scan for overlays: if OVERLAY_SKU_DIR_PROPERTY is defined,
-                // use OVERLAY_DIR/<value of OVERLAY_SKU_DIR_PROPERTY> in addition to OVERLAY_DIR.
+                // Directories to scan for overlays: if OVERLAY_THEME_DIR_PROPERTY is defined,
+                // use OVERLAY_DIR/<value of OVERLAY_THEME_DIR_PROPERTY> in addition to OVERLAY_DIR.
                 char subdir[PROP_VALUE_MAX];
-                int len = __system_property_get(AssetManager::OVERLAY_SKU_DIR_PROPERTY, subdir);
+                int len = __system_property_get(AssetManager::OVERLAY_THEME_DIR_PROPERTY, subdir);
                 if (len > 0) {
                     String8 overlayPath = String8(AssetManager::OVERLAY_DIR) + "/" + subdir;
                     if (stat(overlayPath.string(), &st) == 0) {
diff --git a/include/androidfw/AssetManager.h b/include/androidfw/AssetManager.h
index 31b692d..4039d9b 100644
--- a/include/androidfw/AssetManager.h
+++ b/include/androidfw/AssetManager.h
@@ -73,11 +73,11 @@
     static const char* IDMAP_BIN;
     static const char* OVERLAY_DIR;
     /*
-     * If OVERLAY_SKU_DIR_PROPERTY is set, search for runtime resource overlay
-     * APKs in OVERLAY_DIR/<value of OVERLAY_SKU_DIR_PROPERTY> in addition to
+     * If OVERLAY_THEME_DIR_PROPERTY is set, search for runtime resource overlay
+     * APKs in OVERLAY_DIR/<value of OVERLAY_THEME_DIR_PROPERTY> in addition to
      * OVERLAY_DIR.
      */
-    static const char* OVERLAY_SKU_DIR_PROPERTY;
+    static const char* OVERLAY_THEME_DIR_PROPERTY;
     static const char* TARGET_PACKAGE_NAME;
     static const char* TARGET_APK_PATH;
     static const char* IDMAP_DIR;
diff --git a/libs/androidfw/AssetManager.cpp b/libs/androidfw/AssetManager.cpp
index 4c1c1b9..98168ef 100644
--- a/libs/androidfw/AssetManager.cpp
+++ b/libs/androidfw/AssetManager.cpp
@@ -79,7 +79,7 @@
 const char* AssetManager::RESOURCES_FILENAME = "resources.arsc";
 const char* AssetManager::IDMAP_BIN = "/system/bin/idmap";
 const char* AssetManager::OVERLAY_DIR = "/vendor/overlay";
-const char* AssetManager::OVERLAY_SKU_DIR_PROPERTY = "ro.boot.vendor.overlay.sku";
+const char* AssetManager::OVERLAY_THEME_DIR_PROPERTY = "ro.boot.vendor.overlay.theme";
 const char* AssetManager::TARGET_PACKAGE_NAME = "android";
 const char* AssetManager::TARGET_APK_PATH = "/system/framework/framework-res.apk";
 const char* AssetManager::IDMAP_DIR = "/data/resource-cache";
diff --git a/services/core/java/com/android/server/pm/PackageManagerService.java b/services/core/java/com/android/server/pm/PackageManagerService.java
index 986bae9..877f1e6 100644
--- a/services/core/java/com/android/server/pm/PackageManagerService.java
+++ b/services/core/java/com/android/server/pm/PackageManagerService.java
@@ -464,11 +464,11 @@
 
     private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay";
     /**
-     * If VENDOR_OVERLAY_SKU_PROPERTY is set, search for runtime resource overlay APKs also in
-     * VENDOR_OVERLAY_DIR/<value of VENDOR_OVERLAY_SKU_PROPERTY> in addition to
+     * If VENDOR_OVERLAY_THEME_PROPERTY is set, search for runtime resource overlay APKs also in
+     * VENDOR_OVERLAY_DIR/<value of VENDOR_OVERLAY_THEME_PROPERTY> in addition to
      * VENDOR_OVERLAY_DIR.
      */
-    private static final String VENDOR_OVERLAY_SKU_PROPERTY = "ro.boot.vendor.overlay.sku";
+    private static final String VENDOR_OVERLAY_THEME_PROPERTY = "ro.boot.vendor.overlay.theme";
 
     private static int DEFAULT_EPHEMERAL_HASH_PREFIX_MASK = 0xFFFFF000;
     private static int DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT = 5;
@@ -2274,9 +2274,9 @@
             // Collect vendor overlay packages. (Do this before scanning any apps.)
             // For security and version matching reason, only consider
             // overlay packages if they reside in the right directory.
-            String overlaySkuDir = SystemProperties.get(VENDOR_OVERLAY_SKU_PROPERTY);
-            if (!overlaySkuDir.isEmpty()) {
-                scanDirTracedLI(new File(VENDOR_OVERLAY_DIR, overlaySkuDir), mDefParseFlags
+            String overlayThemeDir = SystemProperties.get(VENDOR_OVERLAY_THEME_PROPERTY);
+            if (!overlayThemeDir.isEmpty()) {
+                scanDirTracedLI(new File(VENDOR_OVERLAY_DIR, overlayThemeDir), mDefParseFlags
                         | PackageParser.PARSE_IS_SYSTEM
                         | PackageParser.PARSE_IS_SYSTEM_DIR
                         | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0);