Reload color sysprops after failing

During OTA, sysprops aren't load as fast as during regular boot.
This causes the animation to not be able to pick up the dynamic colors.

We can mitigate this issue by trying to reload the sysprops at the
beginning of each animation part.

Test: manual
Bug: 227381265
Change-Id: I4397079aacc52acb5cda54a925f70e4f5c745b3f

cmds/bootanimation/BootAnimation.cpp

@@ -1425,12 +1425,17 @@ void BootAnimation::drawTexturedQuad(float xStart, float yStart, float width, fl
 
 void BootAnimation::initDynamicColors() {
     for (int i = 0; i < DYNAMIC_COLOR_COUNT; i++) {
-        parseColorDecimalString(
-            android::base::GetProperty("persist.bootanim.color" + std::to_string(i + 1), ""),
+        const auto syspropName = "persist.bootanim.color" + std::to_string(i + 1);
+        const auto syspropValue = android::base::GetProperty(syspropName, "");
+        if (syspropValue != "") {
+            SLOGI("Loaded dynamic color: %s -> %s", syspropName.c_str(), syspropValue.c_str());
+            mDynamicColorsApplied = true;
+        }
+        parseColorDecimalString(syspropValue,
             mAnimation->endColors[i], mAnimation->startColors[i]);
     }
     glUseProgram(mImageShader);
-    SLOGI("[BootAnimation] Dynamically coloring boot animation.");
+    SLOGI("Dynamically coloring boot animation. Sysprops loaded? %i", mDynamicColorsApplied);
     for (int i = 0; i < DYNAMIC_COLOR_COUNT; i++) {
         float *startColor = mAnimation->startColors[i];
         float *endColor = mAnimation->endColors[i];
@@ -1465,6 +1470,11 @@ bool BootAnimation::playAnimation(const Animation& animation) {
             continue; //to next part
         }
 
+        if (animation.dynamicColoringEnabled && part.useDynamicColoring && !mDynamicColorsApplied) {
+            SLOGD("Trying to load dynamic color sysprops.");
+            initDynamicColors();
+        }
+
         // process the part not only while the count allows but also if already fading
         for (int r=0 ; !part.count || r<part.count || fadedFramesCount > 0 ; r++) {
             if (shouldStopPlayingPart(part, fadedFramesCount, lastDisplayedProgress)) break;

cmds/bootanimation/BootAnimation.h

@@ -228,6 +228,7 @@ private:
     bool        mTimeIsAccurate;
     bool        mTimeFormat12Hour;
     bool        mShuttingDown;
+    bool        mDynamicColorsApplied = false;
     String8     mZipFileName;
     SortedVector<String8> mLoadedFiles;
     sp<TimeCheckThread> mTimeCheckThread = nullptr;