Add EH frame and debug frame support.

Bug: 23762183

Test: Pass new unit tests.
Change-Id: I1bfe900e068017ff31998f359bf98d4c5c9af2a5
diff --git a/libunwindstack/Android.bp b/libunwindstack/Android.bp
index eb2b902..d7e949b 100644
--- a/libunwindstack/Android.bp
+++ b/libunwindstack/Android.bp
@@ -48,6 +48,8 @@
     srcs: [
         "ArmExidx.cpp",
         "DwarfCfa.cpp",
+        "DwarfDebugFrame.cpp",
+        "DwarfEhFrame.cpp",
         "DwarfMemory.cpp",
         "DwarfOp.cpp",
         "DwarfSection.cpp",
@@ -96,6 +98,8 @@
         "tests/ArmExidxExtractTest.cpp",
         "tests/DwarfCfaLogTest.cpp",
         "tests/DwarfCfaTest.cpp",
+        "tests/DwarfDebugFrameTest.cpp",
+        "tests/DwarfEhFrameTest.cpp",
         "tests/DwarfMemoryTest.cpp",
         "tests/DwarfOpLogTest.cpp",
         "tests/DwarfOpTest.cpp",