Revert "Drop all caches in UI_HIDDEN"

This reverts commit 8a207962ec84904a0fb8c7b5ce547ed2d1b59794.

Bug: 142301356
Test: none, speculative

Reason for revert: Seems to break alarm? 

Change-Id: Ia1680d1a937b596297c2eab3e54476daf9589347

2 files changed, 4 insertions, 4 deletions

diff --git a/libs/hwui/renderthread/CacheManager.cpp b/libs/hwui/renderthread/CacheManager.cpp
index 20e607dfe6c0..fc268138e071 100644
--- a/libs/hwui/renderthread/CacheManager.cpp
+++ b/libs/hwui/renderthread/CacheManager.cpp
@@ -135,7 +135,7 @@ void CacheManager::trimStaleResources() {
         return;
     }
     mGrContext->flush();
-    mGrContext->performDeferredCleanup(std::chrono::seconds(30));
+    mGrContext->purgeResourcesNotUsedInMs(std::chrono::seconds(30));
 }
 
 sp<skiapipeline::VectorDrawableAtlas> CacheManager::acquireVectorDrawableAtlas() {
diff --git a/libs/hwui/renderthread/CanvasContext.cpp b/libs/hwui/renderthread/CanvasContext.cpp
index 93fd0c87a361..30cc007d454b 100644
--- a/libs/hwui/renderthread/CanvasContext.cpp
+++ b/libs/hwui/renderthread/CanvasContext.cpp
@@ -646,11 +646,11 @@ void CanvasContext::trimMemory(RenderThread& thread, int level) {
     ATRACE_CALL();
     if (!thread.getGrContext()) return;
     ATRACE_CALL();
-    if (level >= TRIM_MEMORY_UI_HIDDEN) {
-        thread.cacheManager().trimMemory(CacheManager::TrimMemoryMode::Complete);
-    }
     if (level >= TRIM_MEMORY_COMPLETE) {
+        thread.cacheManager().trimMemory(CacheManager::TrimMemoryMode::Complete);
         thread.destroyRenderingContext();
+    } else if (level >= TRIM_MEMORY_UI_HIDDEN) {
+        thread.cacheManager().trimMemory(CacheManager::TrimMemoryMode::UiHidden);
     }
 }