adding crossFade animation to proguard

crossfade animation was not working for photos and throwing a lot of
errors because it was missing from proguard flags.

This fixes it.

Change-Id: I4ad9ef4a9cc3424e47b5c4cd3db9fa0678330637

1 files changed, 5 insertions, 0 deletions

diff --git a/proguard.flags b/proguard.flags
index 8fa10e0d..bc881435 100644
--- a/proguard.flags
+++ b/proguard.flags
@@ -1,3 +1,8 @@
 -keep class com.android.incallui.widget.multiwaveview.* {
   *;
 }
+
+# Keep names that are used only by animation framework.
+-keepclasseswithmembers class com.android.incallui.AnimationUtils$CrossFadeDrawable {
+    *** setCrossFadeAlpha(...);
+}