EGL BlobCache: Initialize mMultifileCleanupPending

This field was being used uninitialized, so we set it in the
constructor to have consistent behavior.

Test: None
Bug: b/246966894
Change-Id: I7fde6dcb3783ed980f19993cb3438b180ee413d1
diff --git a/opengl/libs/EGL/egl_cache.cpp b/opengl/libs/EGL/egl_cache.cpp
index 6225c26..5597944 100644
--- a/opengl/libs/EGL/egl_cache.cpp
+++ b/opengl/libs/EGL/egl_cache.cpp
@@ -68,7 +68,10 @@
 // egl_cache_t definition
 //
 egl_cache_t::egl_cache_t()
-      : mInitialized(false), mMultifileMode(true), mCacheByteLimit(maxTotalSize) {}
+      : mInitialized(false),
+        mMultifileMode(true),
+        mCacheByteLimit(maxTotalSize),
+        mMultifileCleanupPending(false) {}
 
 egl_cache_t::~egl_cache_t() {}