Read the algorithm of the leaf public key in DICE chain in pvmfw

The leaf key algorithm will be used to select the authority key
algorithm in the multi-algorithm DICE handover derivation.

Bug: 357008987
Test: atest MicrodroidHostTests
Change-Id: I7cb93167cb97a7831fd26a2ffbf4cff6bc5748e1
diff --git a/guest/pvmfw/Android.bp b/guest/pvmfw/Android.bp
index 4586cca..a5b7494 100644
--- a/guest/pvmfw/Android.bp
+++ b/guest/pvmfw/Android.bp
@@ -16,6 +16,7 @@
         "libcbor_util_nostd",
         "libciborium_nostd",
         "libciborium_io_nostd",
+        "libcoset_nostd",
         "libcstr",
         "libdiced_open_dice_nostd",
         "liblibfdt_nostd",