Moving IS_DEBUG_DEVICE to a compile time flag for better proguard support

Bug: 270386012
Test: Presubmit
Change-Id: Ic4a81567f5b9752ab17c725566ce728c3d767bd6
diff --git a/src/com/android/launcher3/Utilities.java b/src/com/android/launcher3/Utilities.java
index 67bc7fc..7d01f7b 100644
--- a/src/com/android/launcher3/Utilities.java
+++ b/src/com/android/launcher3/Utilities.java
@@ -131,10 +131,10 @@
     /**
      * Indicates if the device has a debug build. Should only be used to store additional info or
      * add extra logging and not for changing the app behavior.
+     * @deprecated Use {@link BuildConfig#IS_DEBUG_DEVICE} directly
      */
-    public static final boolean IS_DEBUG_DEVICE =
-            Build.TYPE.toLowerCase(Locale.ROOT).contains("debug") ||
-            Build.TYPE.toLowerCase(Locale.ROOT).equals("eng");
+    @Deprecated
+    public static final boolean IS_DEBUG_DEVICE = BuildConfig.IS_DEBUG_DEVICE;
 
     /**
      * Returns true if theme is dark.
diff --git a/src/com/android/launcher3/config/FeatureFlags.java b/src/com/android/launcher3/config/FeatureFlags.java
index 0ec036c..84580fb 100644
--- a/src/com/android/launcher3/config/FeatureFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -42,18 +42,22 @@
     }
 
     public static boolean showFlagTogglerUi(Context context) {
-        return Utilities.IS_DEBUG_DEVICE && Utilities.isDevelopersOptionsEnabled(context);
+        return BuildConfig.IS_DEBUG_DEVICE && Utilities.isDevelopersOptionsEnabled(context);
     }
 
     /**
      * True when the build has come from Android Studio and is being used for local debugging.
+     * @deprecated Use {@link BuildConfig#IS_STUDIO_BUILD} directly
      */
-    public static final boolean IS_STUDIO_BUILD = BuildConfig.DEBUG;
+    @Deprecated
+    public static final boolean IS_STUDIO_BUILD = BuildConfig.IS_STUDIO_BUILD;
 
     /**
      * Enable moving the QSB on the 0th screen of the workspace. This is not a configuration feature
      * and should be modified at a project level.
+     * @deprecated Use {@link BuildConfig#QSB_ON_FIRST_SCREEN} directly
      */
+    @Deprecated
     public static final boolean QSB_ON_FIRST_SCREEN = BuildConfig.QSB_ON_FIRST_SCREEN;
 
     /**
diff --git a/src_build_config/com/android/launcher3/BuildConfig.java b/src_build_config/com/android/launcher3/BuildConfig.java
index 9a81d3f..1f2e0e5 100644
--- a/src_build_config/com/android/launcher3/BuildConfig.java
+++ b/src_build_config/com/android/launcher3/BuildConfig.java
@@ -18,10 +18,16 @@
 
 public final class BuildConfig {
     public static final String APPLICATION_ID = "com.android.launcher3";
-    public static final boolean DEBUG = false;
+
+    public static final boolean IS_STUDIO_BUILD = false;
     /**
      * Flag to state if the QSB is on the first screen and placed on the top,
      * this can be overwritten in other launchers with a different value, if needed.
      */
     public static final boolean QSB_ON_FIRST_SCREEN = true;
+
+    /**
+     * Flag to control various developer centric features
+     */
+    public static final boolean IS_DEBUG_DEVICE = false;
 }