Audio AIDL : Add placeholder implementation and VTS test case for AGC1

Bug: 258124419
Test: atest VtsHalAGC1TargetTest
Change-Id: Ia9894ac21b284a554f8c2d66966d07e5e4621ccd
diff --git a/audio/aidl/vts/Android.bp b/audio/aidl/vts/Android.bp
index a1a2bd9..8db8eaf 100644
--- a/audio/aidl/vts/Android.bp
+++ b/audio/aidl/vts/Android.bp
@@ -141,6 +141,12 @@
 }
 
 cc_test {
+    name: "VtsHalAGC1TargetTest",
+    defaults: ["VtsHalAudioTargetTestDefaults"],
+    srcs: ["VtsHalAGC1TargetTest.cpp"],
+}
+
+cc_test {
     name: "VtsHalAGC2TargetTest",
     defaults: ["VtsHalAudioTargetTestDefaults"],
     srcs: ["VtsHalAGC2TargetTest.cpp"],