Switch perfprofd from using full to lite version of protobuf library.

Change-Id: Ie4cf7cd2e6e4f90bcdba39200c856c219b710065
(cherry picked from commit 124dd4262f2a2c8e55fdb81af9981b1f949a9686)
diff --git a/perfprofd/perf_profile.proto b/perfprofd/perf_profile.proto
index 0c3da01..ee34163 100644
--- a/perfprofd/perf_profile.proto
+++ b/perfprofd/perf_profile.proto
@@ -3,6 +3,8 @@
 
 option java_package = "com.google.common.logging";
 
+option optimize_for = LITE_RUNTIME;
+
 package wireless_android_play_playlog;
 
 // An entry of the map from a stack of addresses to count.