TextOutput log improvement

Add unit tests for log functions
Add support of std::endl
Add back support of char
Add back support of bool
Add back support of String16
Fix a build warning on union initialization

Test: run /data/nativetest(64)/binderTextOutputTest
Bug: 32181382
Change-Id: I4030b142beacc5dcd88a10904710fd6e19f7240c
diff --git a/libs/binder/tests/binderDriverInterfaceTest.cpp b/libs/binder/tests/binderDriverInterfaceTest.cpp
index e02844e..ff5912f 100644
--- a/libs/binder/tests/binderDriverInterfaceTest.cpp
+++ b/libs/binder/tests/binderDriverInterfaceTest.cpp
@@ -229,7 +229,9 @@
             .sender_euid = 0,
             .data_size = 0,
             .offsets_size = 0,
-            .data = {0, 0},
+            .data = {
+                .ptr = {0, 0},
+            },
         },
     };
     struct {
@@ -350,4 +352,3 @@
 
     return RUN_ALL_TESTS();
 }
-