Implement interface for bionic benchmarks.

Test: Unit tests.
Change-Id: Ic61932f61ddd572e2f045b601f9da6e090cdc45d
diff --git a/benchmarks/suites/test_alignment.xml b/benchmarks/suites/test_alignment.xml
new file mode 100644
index 0000000..20df320
--- /dev/null
+++ b/benchmarks/suites/test_alignment.xml
@@ -0,0 +1,50 @@
+<fn>
+  <name>BM_string_memcmp</name>
+  <iterations>1</iterations>
+  <args>AT_2_ALIGN_TWOBUF</args>
+</fn>
+<fn>
+  <name>BM_string_memcmp</name>
+  <iterations>1</iterations>
+  <args>AT_4_ALIGN_TWOBUF</args>
+</fn>
+<fn>
+  <name>BM_string_memcmp</name>
+  <iterations>1</iterations>
+  <args>AT_16_ALIGN_TWOBUF</args>
+</fn>
+<fn>
+  <name>BM_string_memcmp</name>
+  <iterations>1</iterations>
+  <args>AT_512_ALIGN_TWOBUF</args>
+</fn>
+<fn>
+  <name>BM_string_memcmp</name>
+  <iterations>1</iterations>
+  <args>AT_2048_ALIGN_TWOBUF</args>
+</fn>
+<fn>
+  <name>BM_string_strlen</name>
+  <iterations>1</iterations>
+  <args>AT_2_ALIGN_ONEBUF</args>
+</fn>
+<fn>
+  <name>BM_string_strlen</name>
+  <iterations>1</iterations>
+  <args>AT_4_ALIGN_ONEBUF</args>
+</fn>
+<fn>
+  <name>BM_string_strlen</name>
+  <iterations>1</iterations>
+  <args>AT_16_ALIGN_ONEBUF</args>
+</fn>
+<fn>
+  <name>BM_string_strlen</name>
+  <iterations>1</iterations>
+  <args>AT_512_ALIGN_ONEBUF</args>
+</fn>
+<fn>
+  <name>BM_string_strlen</name>
+  <iterations>1</iterations>
+  <args>AT_2048_ALIGN_ONEBUF</args>
+</fn>