Add cache debugging information to bugreports.

Following the model for dumpsys gfxinfo, this patchset adds a
CacheBinder service that dumps cache state information from each
process.

Bug: 153661880
Test: adb shell dumpsys cacheinfo
Test: adb bugreport

Change-Id: Ie7cce70e56777a200e3e3e92ab895126b6f29032

1 files changed, 6 insertions, 0 deletions

diff --git a/core/java/android/app/ActivityThread.java b/core/java/android/app/ActivityThread.java
index c6e2d5290d2e..ab82eb026b51 100644
--- a/core/java/android/app/ActivityThread.java
+++ b/core/java/android/app/ActivityThread.java
@@ -1538,6 +1538,12 @@ public final class ActivityThread extends ClientTransactionHandler {
             IoUtils.closeQuietly(pfd);
         }
 
+        @Override
+        public void dumpCacheInfo(ParcelFileDescriptor pfd, String[] args) {
+            PropertyInvalidatedCache.dumpCacheInfo(pfd.getFileDescriptor(), args);
+            IoUtils.closeQuietly(pfd);
+        }
+
         private File getDatabasesDir(Context context) {
             // There's no simple way to get the databases/ path, so do it this way.
             return context.getDatabasePath("a").getParentFile();