Add proguard flags to keep LottieAnimationView public methods

Otherwise the public methods get removed and are inaccessible.

Bug: 181651218
Test: none
Change-Id: I9c81a6681d756c4744eecf67c38b0568a27f2cd9

1 files changed, 3 insertions, 0 deletions

diff --git a/Android.bp b/Android.bp
index bb271882..fc2aa1ed 100644
--- a/Android.bp
+++ b/Android.bp
@@ -42,4 +42,7 @@ android_library {
     sdk_version: "28",
     min_sdk_version: "16",
     java_version: "1.7",
+    optimize: {
+        proguard_flags_files: ["proguard.flags"],
+    }
 }