Add libdmabufheap to the list of allowed dependencies

It needs to be in the list since it is needed by codec2_vndk.
It will eventually replace libion(also in the list).

Test: m
Bug: 168333162
Change-Id: If11d7e845bd4704f34f84435b5cac32b614312a8
diff --git a/apex/allowed_deps.txt b/apex/allowed_deps.txt
index 07e78af..c7223c4 100644
--- a/apex/allowed_deps.txt
+++ b/apex/allowed_deps.txt
@@ -278,6 +278,7 @@
 libcutils_sockets(minSdkVersion:29)
 libdiagnose_usb(minSdkVersion:(no version))
 libdl(minSdkVersion:(no version))
+libdmabufheap(minSdkVersion:29)
 libeigen(minSdkVersion:(no version))
 libfifo(minSdkVersion:29)
 libFLAC(minSdkVersion:29)