libmeminfo: Add support to read zram memory consumption

Bug: 114325007
Bug: 111694435
Test: libmeminfo_test 1 --gtest_filter=SysMemInfoParse.TestZramTotal
Benchmark: libmeminfo_benchmark --benchmark_filter=BM_.*ZramTotal
Benchmark Result on Blueline:
-----------------------------------------------------------
Benchmark                    Time           CPU Iterations
-----------------------------------------------------------
BM_OldReadZramTotal       3857 ns       3839 ns     134096
BM_NewReadZramTotal       4461 ns       4440 ns     157341

Change-Id: I5220fa17b101981ef859179960fe78fe68e84852
Signed-off-by: Sandeep Patil <sspatil@google.com>
diff --git a/libmeminfo/Android.bp b/libmeminfo/Android.bp
index aab3743..3e191ad 100644
--- a/libmeminfo/Android.bp
+++ b/libmeminfo/Android.bp
@@ -54,6 +54,11 @@
     srcs: [
         "libmeminfo_test.cpp"
     ],
+
+    data: [
+        "testdata1/*",
+        "testdata2/*"
+    ],
 }
 
 cc_benchmark {
@@ -67,4 +72,8 @@
         "libmeminfo",
         "libprocinfo",
     ],
+
+    data: [
+        "testdata1/*",
+    ],
 }