Reduce disk space limit for incident reports.

Bug: 77963176
Test: atest incidentd_test and manual
Change-Id: I8ad1d10fcd40ff556255ac27c049265e79c7d558

cmds/incidentd/src/Reporter.cpp

@@ -106,8 +106,7 @@ Reporter::Reporter() : Reporter(INCIDENT_DIRECTORY) { isTest = false; };
 Reporter::Reporter(const char* directory) : batch() {
     char buf[100];
 
-    // TODO: Make the max size smaller for user builds.
-    mMaxSize = 100 * 1024 * 1024;
+    mMaxSize = 30 * 1024 * 1024;  // incident reports can take up to 30MB on disk
     mMaxCount = 100;
 
     // string ends up with '/' is a directory