Simpleperf: support symbol parsing in report command.

Also fix the storage of ProcessEntry.

Bug: 19483574
Change-Id: I2182a804f6ecbd28e7aa3c1a38a6f19b86f583c9
diff --git a/simpleperf/Android.mk b/simpleperf/Android.mk
index d2c5276..4642e2a 100644
--- a/simpleperf/Android.mk
+++ b/simpleperf/Android.mk
@@ -34,6 +34,7 @@
   cmd_report.cpp \
   cmd_stat.cpp \
   command.cpp \
+  dso.cpp \
   environment.cpp \
   event_attr.cpp \
   event_fd.cpp \
@@ -110,6 +111,7 @@
   cpu_offline_test.cpp \
   environment_test.cpp \
   gtest_main.cpp \
+  read_elf_test.cpp \
   record_file_test.cpp \
   record_test.cpp \
   sample_tree_test.cpp \