Make Bitmap#copy docs more accurate

Bug: 121001670
Test: Only a documentation change.

Since Ied0426f6deff354df5998691703a18ddd33ccd3d, we no longer always
apply the ColorSpace to the copy.

Change-Id: I67f486e5c69abb2dd767ac3f1b0da515f9f20e69

1 files changed, 4 insertions, 1 deletions

diff --git a/graphics/java/android/graphics/Bitmap.java b/graphics/java/android/graphics/Bitmap.java
index bdb63643f615..821cc0b0b914 100644
--- a/graphics/java/android/graphics/Bitmap.java
+++ b/graphics/java/android/graphics/Bitmap.java
@@ -652,7 +652,10 @@ public final class Bitmap implements Parcelable {
      * setting the new bitmap's config to the one specified, and then copying
      * this bitmap's pixels into the new bitmap. If the conversion is not
      * supported, or the allocator fails, then this returns NULL.  The returned
-     * bitmap has the same density and color space as the original.
+     * bitmap has the same density and color space as the original, except in
+     * the following cases. When copying to {@link Config#ALPHA_8}, the color
+     * space is dropped. When copying to or from {@link Config#RGBA_F16},
+     * EXTENDED or non-EXTENDED variants may be adjusted as appropriate.
      *
      * @param config    The desired config for the resulting bitmap
      * @param isMutable True if the resulting bitmap should be mutable (i.e.