Call Composer tabs hidden from a11y when hidden from sight.

When the share and call button was visible, users using talkback could reach
the media icons hidden underneath.

Bug: 62649310
Test: manual
PiperOrigin-RevId: 164088069
Change-Id: Ic9cd23a78790c119d6d4d2f6e9d6e62c24e20120
diff --git a/java/com/android/dialer/callcomposer/CallComposerActivity.java b/java/com/android/dialer/callcomposer/CallComposerActivity.java
index ddc1e87..e6e5513 100644
--- a/java/com/android/dialer/callcomposer/CallComposerActivity.java
+++ b/java/com/android/dialer/callcomposer/CallComposerActivity.java
@@ -670,12 +670,20 @@
                   public void onAnimationStart(Animator animation) {
                     isSendAndCallHidingOrHidden = shouldHide;
                     sendAndCall.setVisibility(View.VISIBLE);
+                    cameraIcon.setVisibility(View.VISIBLE);
+                    galleryIcon.setVisibility(View.VISIBLE);
+                    messageIcon.setVisibility(View.VISIBLE);
                   }
 
                   @Override
                   public void onAnimationEnd(Animator animation) {
                     if (isSendAndCallHidingOrHidden) {
                       sendAndCall.setVisibility(View.INVISIBLE);
+                    } else {
+                      // hide buttons to prevent overdrawing and talkback discoverability
+                      cameraIcon.setVisibility(View.GONE);
+                      galleryIcon.setVisibility(View.GONE);
+                      messageIcon.setVisibility(View.GONE);
                     }
                   }