Modularize VoiceInteraction/SoundTrigger

Rather than building VoiceInteraction monolithically, split out
SoundTrigger.

This allows for better build performance, more localized testing,
specific build flags, etc.

Split out the middleware in a static lib for now, but don't expose it
as such, since it will be refactored into SoundTrigger soon.

Fixes: 277374624
Test: Compiles (build changes only)
Change-Id: I631d073d81e578c70b033d0a43543ef89dda9194
diff --git a/services/voiceinteraction/Android.bp b/services/voiceinteraction/Android.bp
index 7332d2d..de8d144 100644
--- a/services/voiceinteraction/Android.bp
+++ b/services/voiceinteraction/Android.bp
@@ -9,11 +9,60 @@
 
 filegroup {
     name: "services.voiceinteraction-sources",
-    srcs: ["java/**/*.java"],
+    srcs: ["java/com/android/server/voiceinteraction/*.java"],
     path: "java",
     visibility: ["//frameworks/base/services"],
 }
 
+filegroup {
+    name: "services.soundtrigger_middleware-sources",
+    srcs: ["java/com/android/server/soundtrigger_middleware/*.java"],
+    path: "java",
+    visibility: ["//visibility:private"],
+}
+
+filegroup {
+    name: "services.soundtrigger_service-sources",
+    srcs: ["java/com/android/server/soundtrigger/*.java"],
+    path: "java",
+    visibility: ["//visibility:private"],
+}
+
+filegroup {
+    name: "services.soundtrigger-sources",
+    srcs: [
+        ":services.soundtrigger_service-sources",
+        ":services.soundtrigger_middleware-sources",
+    ],
+    path: "java",
+    visibility: ["//frameworks/base/services"],
+}
+
+java_library_static {
+    name: "services.soundtrigger_middleware",
+    defaults: ["platform_service_defaults"],
+    srcs: [":services.soundtrigger_middleware-sources"],
+    libs: [
+        "services.core",
+    ],
+    static_libs: [
+        "android.hardware.soundtrigger-V2.3-java",
+    ],
+    visibility: ["//visibility/base/services/tests/voiceinteraction"],
+}
+
+java_library_static {
+    name: "services.soundtrigger",
+    defaults: ["platform_service_defaults"],
+    srcs: [":services.soundtrigger_service-sources"],
+    libs: [
+        "services.core",
+    ],
+    static_libs: [
+        "services.soundtrigger_middleware",
+    ],
+}
+
 java_library_static {
     name: "services.voiceinteraction",
     defaults: ["platform_service_defaults"],