Remove implicit fallthrough exception

Implicit fallthrough has already been fixed, but we also need to clean
up Android.bp file.

Bug: none
Test: build only
Change-Id: Ibcf274fb1cfacfb7bba6c6f66d6bf3b2320c85b1
diff --git a/services/inputflinger/Android.bp b/services/inputflinger/Android.bp
index 622a623..9a65452 100644
--- a/services/inputflinger/Android.bp
+++ b/services/inputflinger/Android.bp
@@ -41,8 +41,6 @@
         "-Wall",
         "-Wextra",
         "-Werror",
-        // Allow implicit fallthroughs in InputReader.cpp until they are fixed.
-        "-Wno-error=implicit-fallthrough",
         "-Wno-unused-parameter",
         // TODO: Move inputflinger to its own process and mark it hidden
         //-fvisibility=hidden
diff --git a/services/inputflinger/InputReader.cpp b/services/inputflinger/InputReader.cpp
index 869a2fc..869bd71 100644
--- a/services/inputflinger/InputReader.cpp
+++ b/services/inputflinger/InputReader.cpp
@@ -1041,7 +1041,7 @@
 
 void InputDevice::dump(std::string& dump) {
     InputDeviceInfo deviceInfo;
-    getDeviceInfo(& deviceInfo);
+    getDeviceInfo(&deviceInfo);
 
     dump += StringPrintf(INDENT "Device %d: %s\n", deviceInfo.getId(),
             deviceInfo.getDisplayName().c_str());
diff --git a/services/inputflinger/tests/InputReader_test.cpp b/services/inputflinger/tests/InputReader_test.cpp
index 707f3c5..6114f51 100644
--- a/services/inputflinger/tests/InputReader_test.cpp
+++ b/services/inputflinger/tests/InputReader_test.cpp
@@ -1082,7 +1082,7 @@
 
 // --- InputReaderPolicyTest ---
 class InputReaderPolicyTest : public testing::Test {
-    protected:
+protected:
     sp<FakeInputReaderPolicy> mFakePolicy;
 
     virtual void SetUp() {
@@ -1101,7 +1101,7 @@
  * Such configuration is not currently allowed.
  */
 TEST_F(InputReaderPolicyTest, Viewports_GetCleared) {
-    const std::string uniqueId = "local:0";
+    static const std::string uniqueId = "local:0";
 
     // We didn't add any viewports yet, so there shouldn't be any.
     std::optional<DisplayViewport> internalViewport =