omni: update prebuilt OmniStoreInstaller.apk

with removed launcher shortcut

Change-Id: I6607fc450f4e84aa4c944e0700818454d8fc7eff
diff --git a/prebuilt/app/OmniStore/OmniStoreInstaller.apk b/prebuilt/app/OmniStore/OmniStoreInstaller.apk
index ce05d4e..fd18952 100644
--- a/prebuilt/app/OmniStore/OmniStoreInstaller.apk
+++ b/prebuilt/app/OmniStore/OmniStoreInstaller.apk
Binary files differ