Add R8 partial benchmarks for JetNews and Tivi

Change-Id: Idb24ad9c50356f8c85a4faeba46ed62b6e588eda
diff --git a/tools/perf.py b/tools/perf.py
index 9bf5803..e891508 100755
--- a/tools/perf.py
+++ b/tools/perf.py
@@ -41,6 +41,9 @@
     'JetNewsApp': {
         'targets': ['r8-full']
     },
+    'JetNewsAppPartial': {
+        'targets': ['r8-full']
+    },
     'JetCasterApp': {
         'targets': ['r8-full']
     },
@@ -89,6 +92,9 @@
     'TiviApp': {
         'targets': ['r8-full']
     },
+    'TiviAppPartial': {
+        'targets': ['r8-full']
+    },
 }
 # A collection of internal benchmarks that should be run on the internal bot.
 INTERNAL_BENCHMARKS = {