Prefer std::string over String8

String8 is obsolete, only use std::string in the
input libraries now.

Bug: 64258224
Test: make
Change-Id: I958b6b281d969138f39cc26825c877a24bc4a853
diff --git a/libs/input/tests/InputChannel_test.cpp b/libs/input/tests/InputChannel_test.cpp
index e71ebe2..96c165c 100644
--- a/libs/input/tests/InputChannel_test.cpp
+++ b/libs/input/tests/InputChannel_test.cpp
@@ -41,9 +41,9 @@
     // of a pipe and to check for EPIPE on the other end after the channel is destroyed.
     Pipe pipe;
 
-    sp<InputChannel> inputChannel = new InputChannel(String8("channel name"), pipe.sendFd);
+    sp<InputChannel> inputChannel = new InputChannel("channel name", pipe.sendFd);
 
-    EXPECT_STREQ("channel name", inputChannel->getName().string())
+    EXPECT_STREQ("channel name", inputChannel->getName().c_str())
             << "channel should have provided name";
     EXPECT_EQ(pipe.sendFd, inputChannel->getFd())
             << "channel should have provided fd";
@@ -60,16 +60,16 @@
 TEST_F(InputChannelTest, OpenInputChannelPair_ReturnsAPairOfConnectedChannels) {
     sp<InputChannel> serverChannel, clientChannel;
 
-    status_t result = InputChannel::openInputChannelPair(String8("channel name"),
+    status_t result = InputChannel::openInputChannelPair("channel name",
             serverChannel, clientChannel);
 
     ASSERT_EQ(OK, result)
             << "should have successfully opened a channel pair";
 
     // Name
-    EXPECT_STREQ("channel name (server)", serverChannel->getName().string())
+    EXPECT_STREQ("channel name (server)", serverChannel->getName().c_str())
             << "server channel should have suffixed name";
-    EXPECT_STREQ("channel name (client)", clientChannel->getName().string())
+    EXPECT_STREQ("channel name (client)", clientChannel->getName().c_str())
             << "client channel should have suffixed name";
 
     // Server->Client communication
@@ -111,7 +111,7 @@
 TEST_F(InputChannelTest, ReceiveSignal_WhenNoSignalPresent_ReturnsAnError) {
     sp<InputChannel> serverChannel, clientChannel;
 
-    status_t result = InputChannel::openInputChannelPair(String8("channel name"),
+    status_t result = InputChannel::openInputChannelPair("channel name",
             serverChannel, clientChannel);
 
     ASSERT_EQ(OK, result)
@@ -125,7 +125,7 @@
 TEST_F(InputChannelTest, ReceiveSignal_WhenPeerClosed_ReturnsAnError) {
     sp<InputChannel> serverChannel, clientChannel;
 
-    status_t result = InputChannel::openInputChannelPair(String8("channel name"),
+    status_t result = InputChannel::openInputChannelPair("channel name",
             serverChannel, clientChannel);
 
     ASSERT_EQ(OK, result)
@@ -141,7 +141,7 @@
 TEST_F(InputChannelTest, SendSignal_WhenPeerClosed_ReturnsAnError) {
     sp<InputChannel> serverChannel, clientChannel;
 
-    status_t result = InputChannel::openInputChannelPair(String8("channel name"),
+    status_t result = InputChannel::openInputChannelPair("channel name",
             serverChannel, clientChannel);
 
     ASSERT_EQ(OK, result)