external: tinycompress: add support for compress plugins

Add plugin support to use vendor specific compress implementation

Bug: 166667071
Test: manual offload playback test
Test: cts AudioTrackOffloadTest

CRs-Fixed: 2563258
Change-Id: I71f588b9ed84b62d3b1b08dae7ce65f8fa649e6a
Merged-In: I71f588b9ed84b62d3b1b08dae7ce65f8fa649e6a
diff --git a/Android.bp b/Android.bp
index f0000f1..c11a974 100644
--- a/Android.bp
+++ b/Android.bp
@@ -12,6 +12,9 @@
     srcs: [
         "compress.c",
         "utils.c",
+        "compress_hw.c",
+         "compress_plugin.c",
+         "snd_utils.c",
     ],
     shared_libs: [
         "libcutils",