Update makefiles to use filgroup syntax.

Test: mmma hardware/interfaces
Change-Id: I9f4457c78b7820c242d46359f0debe05d1b3e482
diff --git a/camera/metadata/3.2/Android.bp b/camera/metadata/3.2/Android.bp
index fa319e9..1e464d6 100644
--- a/camera/metadata/3.2/Android.bp
+++ b/camera/metadata/3.2/Android.bp
@@ -12,7 +12,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.camera.metadata@3.2",
     srcs: [
-        "types.hal",
+        ":android.hardware.camera.metadata@3.2_hal",
     ],
     out: [
         "android/hardware/camera/metadata/3.2/types.cpp",
@@ -24,7 +24,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.camera.metadata@3.2",
     srcs: [
-        "types.hal",
+        ":android.hardware.camera.metadata@3.2_hal",
     ],
     out: [
         "android/hardware/camera/metadata/3.2/types.h",