Use enum class for injection constants

To improve code completion and error outputs from gtest, use enum class
for injection mode and injection result

Bug: none
Test: presubmit
Change-Id: I579a3da95c0d20375e155fd52d426e2460fdffa0
diff --git a/libs/input/Android.bp b/libs/input/Android.bp
index b442700..d8c3e6f 100644
--- a/libs/input/Android.bp
+++ b/libs/input/Android.bp
@@ -17,9 +17,11 @@
 filegroup {
     name: "inputconstants_aidl",
     srcs: [
-        "android/os/IInputConstants.aidl",
-        "android/os/TouchOcclusionMode.aidl",
         "android/os/BlockUntrustedTouchesMode.aidl",
+        "android/os/IInputConstants.aidl",
+        "android/os/InputEventInjectionResult.aidl",
+        "android/os/InputEventInjectionSync.aidl",
+        "android/os/TouchOcclusionMode.aidl",
     ],
 }
 
@@ -73,6 +75,8 @@
                 "android/FocusRequest.aidl",
                 "android/InputApplicationInfo.aidl",
                 "android/os/IInputConstants.aidl",
+                "android/os/InputEventInjectionResult.aidl",
+                "android/os/InputEventInjectionSync.aidl",
                 "android/os/TouchOcclusionMode.aidl",
                 "android/os/BlockUntrustedTouchesMode.aidl",
                 "android/os/IInputFlinger.aidl",