Migrate from android::String isEmpty to empty [camera]

This empty method is different from the old one - it aligns with
std::string definition.

Bug: 295394788
Test: make checkbuild
Change-Id: I5716c283b6fb478acbcb62991700d5f971b6f54c

2 files changed, 2 insertions, 2 deletions

diff --git a/core/jni/android_hardware_Camera.cpp b/core/jni/android_hardware_Camera.cpp
index 1c597424f221..eb49f411159c 100644
--- a/core/jni/android_hardware_Camera.cpp
+++ b/core/jni/android_hardware_Camera.cpp
@@ -874,7 +874,7 @@ static jstring android_hardware_Camera_getParameters(JNIEnv *env, jobject thiz)
     if (camera == 0) return 0;
 
     String8 params8 = camera->getParameters();
-    if (params8.isEmpty()) {
+    if (params8.empty()) {
         jniThrowRuntimeException(env, "getParameters failed (empty parameters)");
         return 0;
     }
diff --git a/core/jni/android_hardware_camera2_CameraMetadata.cpp b/core/jni/android_hardware_camera2_CameraMetadata.cpp
index 5293c583cfd0..3e4c7c7f751e 100644
--- a/core/jni/android_hardware_camera2_CameraMetadata.cpp
+++ b/core/jni/android_hardware_camera2_CameraMetadata.cpp
@@ -526,7 +526,7 @@ static void CameraMetadata_dump(JNIEnv *env, jclass thiz, jlong ptr) {
                     "Failed to read from fd (errno = %#x, message = '%s')",
                     errno, strerror(errno));
             //return;
-        } else if (!logLine.isEmpty()) {
+        } else if (!logLine.empty()) {
             ALOGD("%s", logLine.string());
         }